18566964

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:529

約数の個数: 72

約数和(自身を含む): 51189320

約数和(自身を除く): 32622356

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 97, 117, 156, 194, 234, 291, 388, 409, 468, 582, 818, 873, 1164, 1227, 1261, 1636, 1746, 2454, 2522, 3492, 3681, 3783, 4908, 5044, 5317, 7362, 7566, 10634, 11349, 14724, 15132, 15951, 21268, 22698, 31902, 39673, 45396, 47853, 63804, 79346, 95706, 119019, 158692, 191412, 238038, 357057, 476076, 515749, 714114, 1031498, 1428228, 1547247, 2062996, 3094494, 4641741, 6188988, 9283482, 18566964]

約数ペア:

[(1, 18566964), (2, 9283482), (3, 6188988), (4, 4641741), (6, 3094494), (9, 2062996), (12, 1547247), (13, 1428228), (18, 1031498), (26, 714114), (36, 515749), (39, 476076), (52, 357057), (78, 238038), (97, 191412), (117, 158692), (156, 119019), (194, 95706), (234, 79346), (291, 63804), (388, 47853), (409, 45396), (468, 39673), (582, 31902), (818, 22698), (873, 21268), (1164, 15951), (1227, 15132), (1261, 14724), (1636, 11349), (1746, 10634), (2454, 7566), (2522, 7362), (3492, 5317), (3681, 5044), (3783, 4908)]