18474840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:146

約数の個数: 192

約数和(自身を含む): 65800800

約数和(自身を除く): 47325960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 37, 38, 40, 45, 57, 60, 72, 73, 74, 76, 90, 95, 111, 114, 120, 146, 148, 152, 171, 180, 185, 190, 219, 222, 228, 285, 292, 296, 333, 342, 360, 365, 370, 380, 438, 444, 456, 555, 570, 584, 657, 666, 684, 703, 730, 740, 760, 855, 876, 888, 1095, 1110, 1140, 1314, 1332, 1368, 1387, 1406, 1460, 1480, 1665, 1710, 1752, 2109, 2190, 2220, 2280, 2628, 2664, 2701, 2774, 2812, 2920, 3285, 3330, 3420, 3515, 4161, 4218, 4380, 4440, 5256, 5402, 5548, 5624, 6327, 6570, 6660, 6840, 6935, 7030, 8103, 8322, 8436, 8760, 10545, 10804, 11096, 12483, 12654, 13140, 13320, 13505, 13870, 14060, 16206, 16644, 16872, 20805, 21090, 21608, 24309, 24966, 25308, 26280, 27010, 27740, 28120, 31635, 32412, 33288, 40515, 41610, 42180, 48618, 49932, 50616, 51319, 54020, 55480, 62415, 63270, 64824, 81030, 83220, 84360, 97236, 99864, 102638, 108040, 121545, 124830, 126540, 153957, 162060, 166440, 194472, 205276, 243090, 249660, 253080, 256595, 307914, 324120, 410552, 461871, 486180, 499320, 513190, 615828, 769785, 923742, 972360, 1026380, 1231656, 1539570, 1847484, 2052760, 2309355, 3079140, 3694968, 4618710, 6158280, 9237420, 18474840]

約数ペア:

[(1, 18474840), (2, 9237420), (3, 6158280), (4, 4618710), (5, 3694968), (6, 3079140), (8, 2309355), (9, 2052760), (10, 1847484), (12, 1539570), (15, 1231656), (18, 1026380), (19, 972360), (20, 923742), (24, 769785), (30, 615828), (36, 513190), (37, 499320), (38, 486180), (40, 461871), (45, 410552), (57, 324120), (60, 307914), (72, 256595), (73, 253080), (74, 249660), (76, 243090), (90, 205276), (95, 194472), (111, 166440), (114, 162060), (120, 153957), (146, 126540), (148, 124830), (152, 121545), (171, 108040), (180, 102638), (185, 99864), (190, 97236), (219, 84360), (222, 83220), (228, 81030), (285, 64824), (292, 63270), (296, 62415), (333, 55480), (342, 54020), (360, 51319), (365, 50616), (370, 49932), (380, 48618), (438, 42180), (444, 41610), (456, 40515), (555, 33288), (570, 32412), (584, 31635), (657, 28120), (666, 27740), (684, 27010), (703, 26280), (730, 25308), (740, 24966), (760, 24309), (855, 21608), (876, 21090), (888, 20805), (1095, 16872), (1110, 16644), (1140, 16206), (1314, 14060), (1332, 13870), (1368, 13505), (1387, 13320), (1406, 13140), (1460, 12654), (1480, 12483), (1665, 11096), (1710, 10804), (1752, 10545), (2109, 8760), (2190, 8436), (2220, 8322), (2280, 8103), (2628, 7030), (2664, 6935), (2701, 6840), (2774, 6660), (2812, 6570), (2920, 6327), (3285, 5624), (3330, 5548), (3420, 5402), (3515, 5256), (4161, 4440), (4218, 4380)]