19636458736

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{163}}^1\times {\mathrm{26053}}^1$

素因数の和:26258

約数の個数: 60

約数和(自身を含む): 40664770552

約数和(自身を除く): 21028311816

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 163, 272, 289, 326, 578, 652, 1156, 1304, 2312, 2608, 2771, 4624, 5542, 11084, 22168, 26053, 44336, 47107, 52106, 94214, 104212, 188428, 208424, 376856, 416848, 442901, 753712, 885802, 1771604, 3543208, 4246639, 7086416, 7529317, 8493278, 15058634, 16986556, 30117268, 33973112, 60234536, 67946224, 72192863, 120469072, 144385726, 288771452, 577542904, 1155085808, 1227278671, 2454557342, 4909114684, 9818229368, 19636458736]

約数ペア:

[(1, 19636458736), (2, 9818229368), (4, 4909114684), (8, 2454557342), (16, 1227278671), (17, 1155085808), (34, 577542904), (68, 288771452), (136, 144385726), (163, 120469072), (272, 72192863), (289, 67946224), (326, 60234536), (578, 33973112), (652, 30117268), (1156, 16986556), (1304, 15058634), (2312, 8493278), (2608, 7529317), (2771, 7086416), (4624, 4246639), (5542, 3543208), (11084, 1771604), (22168, 885802), (26053, 753712), (44336, 442901), (47107, 416848), (52106, 376856), (94214, 208424), (104212, 188428)]