18974160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:130

約数の個数: 180

約数和(自身を含む): 68173092

約数和(自身を除く): 49198932

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 73, 76, 80, 90, 95, 114, 120, 144, 146, 152, 171, 180, 190, 219, 228, 240, 285, 292, 304, 342, 360, 361, 365, 380, 438, 456, 570, 584, 657, 684, 720, 722, 730, 760, 855, 876, 912, 1083, 1095, 1140, 1168, 1314, 1368, 1387, 1444, 1460, 1520, 1710, 1752, 1805, 2166, 2190, 2280, 2628, 2736, 2774, 2888, 2920, 3249, 3285, 3420, 3504, 3610, 4161, 4332, 4380, 4560, 5256, 5415, 5548, 5776, 5840, 6498, 6570, 6840, 6935, 7220, 8322, 8664, 8760, 10512, 10830, 11096, 12483, 12996, 13140, 13680, 13870, 14440, 16245, 16644, 17328, 17520, 20805, 21660, 22192, 24966, 25992, 26280, 26353, 27740, 28880, 32490, 33288, 41610, 43320, 49932, 51984, 52560, 52706, 55480, 62415, 64980, 66576, 79059, 83220, 86640, 99864, 105412, 110960, 124830, 129960, 131765, 158118, 166440, 199728, 210824, 237177, 249660, 259920, 263530, 316236, 332880, 395295, 421648, 474354, 499320, 527060, 632472, 790590, 948708, 998640, 1054120, 1185885, 1264944, 1581180, 1897416, 2108240, 2371770, 3162360, 3794832, 4743540, 6324720, 9487080, 18974160]

約数ペア:

[(1, 18974160), (2, 9487080), (3, 6324720), (4, 4743540), (5, 3794832), (6, 3162360), (8, 2371770), (9, 2108240), (10, 1897416), (12, 1581180), (15, 1264944), (16, 1185885), (18, 1054120), (19, 998640), (20, 948708), (24, 790590), (30, 632472), (36, 527060), (38, 499320), (40, 474354), (45, 421648), (48, 395295), (57, 332880), (60, 316236), (72, 263530), (73, 259920), (76, 249660), (80, 237177), (90, 210824), (95, 199728), (114, 166440), (120, 158118), (144, 131765), (146, 129960), (152, 124830), (171, 110960), (180, 105412), (190, 99864), (219, 86640), (228, 83220), (240, 79059), (285, 66576), (292, 64980), (304, 62415), (342, 55480), (360, 52706), (361, 52560), (365, 51984), (380, 49932), (438, 43320), (456, 41610), (570, 33288), (584, 32490), (657, 28880), (684, 27740), (720, 26353), (722, 26280), (730, 25992), (760, 24966), (855, 22192), (876, 21660), (912, 20805), (1083, 17520), (1095, 17328), (1140, 16644), (1168, 16245), (1314, 14440), (1368, 13870), (1387, 13680), (1444, 13140), (1460, 12996), (1520, 12483), (1710, 11096), (1752, 10830), (1805, 10512), (2166, 8760), (2190, 8664), (2280, 8322), (2628, 7220), (2736, 6935), (2774, 6840), (2888, 6570), (2920, 6498), (3249, 5840), (3285, 5776), (3420, 5548), (3504, 5415), (3610, 5256), (4161, 4560), (4332, 4380)]