17869815856

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{5233}}^1$

素因数の和:5546

約数の個数: 80

約数和(自身を含む): 37383321600

約数和(自身を除く): 19513505744

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 239, 304, 376, 478, 752, 893, 956, 1786, 1912, 3572, 3824, 4541, 5233, 7144, 9082, 10466, 11233, 14288, 18164, 20932, 22466, 36328, 41864, 44932, 72656, 83728, 89864, 99427, 179728, 198854, 213427, 245951, 397708, 426854, 491902, 795416, 853708, 983804, 1250687, 1590832, 1707416, 1967608, 2501374, 3414832, 3935216, 4673069, 5002748, 9346138, 10005496, 18692276, 20010992, 23763053, 37384552, 47526106, 58782289, 74769104, 95052212, 117564578, 190104424, 235129156, 380208848, 470258312, 940516624, 1116863491, 2233726982, 4467453964, 8934907928, 17869815856]

約数ペア:

[(1, 17869815856), (2, 8934907928), (4, 4467453964), (8, 2233726982), (16, 1116863491), (19, 940516624), (38, 470258312), (47, 380208848), (76, 235129156), (94, 190104424), (152, 117564578), (188, 95052212), (239, 74769104), (304, 58782289), (376, 47526106), (478, 37384552), (752, 23763053), (893, 20010992), (956, 18692276), (1786, 10005496), (1912, 9346138), (3572, 5002748), (3824, 4673069), (4541, 3935216), (5233, 3414832), (7144, 2501374), (9082, 1967608), (10466, 1707416), (11233, 1590832), (14288, 1250687), (18164, 983804), (20932, 853708), (22466, 795416), (36328, 491902), (41864, 426854), (44932, 397708), (72656, 245951), (83728, 213427), (89864, 198854), (99427, 179728)]