18724500

素因数分解:

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

素因数の和:120

約数の個数: 192

約数和(自身を含む): 64646400

約数和(自身を除く): 45921900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 27, 30, 36, 38, 45, 50, 54, 57, 60, 73, 75, 76, 90, 95, 100, 108, 114, 125, 135, 146, 150, 171, 180, 190, 219, 225, 228, 250, 270, 285, 292, 300, 342, 365, 375, 380, 438, 450, 475, 500, 513, 540, 570, 657, 675, 684, 730, 750, 855, 876, 900, 950, 1026, 1095, 1125, 1140, 1314, 1350, 1387, 1425, 1460, 1500, 1710, 1825, 1900, 1971, 2052, 2190, 2250, 2375, 2565, 2628, 2700, 2774, 2850, 3285, 3375, 3420, 3650, 3942, 4161, 4275, 4380, 4500, 4750, 5130, 5475, 5548, 5700, 6570, 6750, 6935, 7125, 7300, 7884, 8322, 8550, 9125, 9500, 9855, 10260, 10950, 12483, 12825, 13140, 13500, 13870, 14250, 16425, 16644, 17100, 18250, 19710, 20805, 21375, 21900, 24966, 25650, 27375, 27740, 28500, 32850, 34675, 36500, 37449, 39420, 41610, 42750, 49275, 49932, 51300, 54750, 62415, 64125, 65700, 69350, 74898, 82125, 83220, 85500, 98550, 104025, 109500, 124830, 128250, 138700, 149796, 164250, 173375, 187245, 197100, 208050, 246375, 249660, 256500, 312075, 328500, 346750, 374490, 416100, 492750, 520125, 624150, 693500, 748980, 936225, 985500, 1040250, 1248300, 1560375, 1872450, 2080500, 3120750, 3744900, 4681125, 6241500, 9362250, 18724500]

約数ペア:

[(1, 18724500), (2, 9362250), (3, 6241500), (4, 4681125), (5, 3744900), (6, 3120750), (9, 2080500), (10, 1872450), (12, 1560375), (15, 1248300), (18, 1040250), (19, 985500), (20, 936225), (25, 748980), (27, 693500), (30, 624150), (36, 520125), (38, 492750), (45, 416100), (50, 374490), (54, 346750), (57, 328500), (60, 312075), (73, 256500), (75, 249660), (76, 246375), (90, 208050), (95, 197100), (100, 187245), (108, 173375), (114, 164250), (125, 149796), (135, 138700), (146, 128250), (150, 124830), (171, 109500), (180, 104025), (190, 98550), (219, 85500), (225, 83220), (228, 82125), (250, 74898), (270, 69350), (285, 65700), (292, 64125), (300, 62415), (342, 54750), (365, 51300), (375, 49932), (380, 49275), (438, 42750), (450, 41610), (475, 39420), (500, 37449), (513, 36500), (540, 34675), (570, 32850), (657, 28500), (675, 27740), (684, 27375), (730, 25650), (750, 24966), (855, 21900), (876, 21375), (900, 20805), (950, 19710), (1026, 18250), (1095, 17100), (1125, 16644), (1140, 16425), (1314, 14250), (1350, 13870), (1387, 13500), (1425, 13140), (1460, 12825), (1500, 12483), (1710, 10950), (1825, 10260), (1900, 9855), (1971, 9500), (2052, 9125), (2190, 8550), (2250, 8322), (2375, 7884), (2565, 7300), (2628, 7125), (2700, 6935), (2774, 6750), (2850, 6570), (3285, 5700), (3375, 5548), (3420, 5475), (3650, 5130), (3942, 4750), (4161, 4500), (4275, 4380)]