18780349968

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{30781}}^1$

素因数の和:31037

約数の個数: 120

約数和(自身を含む): 55575054080

約数和(自身を除く): 36794704112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 223, 228, 304, 342, 446, 456, 669, 684, 892, 912, 1338, 1368, 1784, 2007, 2676, 2736, 3568, 4014, 4237, 5352, 8028, 8474, 10704, 12711, 16056, 16948, 25422, 30781, 32112, 33896, 38133, 50844, 61562, 67792, 76266, 92343, 101688, 123124, 152532, 184686, 203376, 246248, 277029, 305064, 369372, 492496, 554058, 584839, 610128, 738744, 1108116, 1169678, 1477488, 1754517, 2216232, 2339356, 3509034, 4432464, 4678712, 5263551, 6864163, 7018068, 9357424, 10527102, 13728326, 14036136, 20592489, 21054204, 27456652, 28072272, 41184978, 42108408, 54913304, 61777467, 82369956, 84216816, 109826608, 123554934, 130419097, 164739912, 247109868, 260838194, 329479824, 391257291, 494219736, 521676388, 782514582, 988439472, 1043352776, 1173771873, 1565029164, 2086705552, 2347543746, 3130058328, 4695087492, 6260116656, 9390174984, 18780349968]

約数ペア:

[(1, 18780349968), (2, 9390174984), (3, 6260116656), (4, 4695087492), (6, 3130058328), (8, 2347543746), (9, 2086705552), (12, 1565029164), (16, 1173771873), (18, 1043352776), (19, 988439472), (24, 782514582), (36, 521676388), (38, 494219736), (48, 391257291), (57, 329479824), (72, 260838194), (76, 247109868), (114, 164739912), (144, 130419097), (152, 123554934), (171, 109826608), (223, 84216816), (228, 82369956), (304, 61777467), (342, 54913304), (446, 42108408), (456, 41184978), (669, 28072272), (684, 27456652), (892, 21054204), (912, 20592489), (1338, 14036136), (1368, 13728326), (1784, 10527102), (2007, 9357424), (2676, 7018068), (2736, 6864163), (3568, 5263551), (4014, 4678712), (4237, 4432464), (5352, 3509034), (8028, 2339356), (8474, 2216232), (10704, 1754517), (12711, 1477488), (16056, 1169678), (16948, 1108116), (25422, 738744), (30781, 610128), (32112, 584839), (33896, 554058), (38133, 492496), (50844, 369372), (61562, 305064), (67792, 277029), (76266, 246248), (92343, 203376), (101688, 184686), (123124, 152532)]