19133840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1279}}^1$

素因数の和:1320

約数の個数: 80

約数和(自身を含む): 51425280

約数和(自身を除く): 32291440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1279, 1360, 1496, 1870, 2558, 2992, 3740, 5116, 6395, 7480, 10232, 12790, 14069, 14960, 20464, 21743, 25580, 28138, 43486, 51160, 56276, 70345, 86972, 102320, 108715, 112552, 140690, 173944, 217430, 225104, 239173, 281380, 347888, 434860, 478346, 562760, 869720, 956692, 1125520, 1195865, 1739440, 1913384, 2391730, 3826768, 4783460, 9566920, 19133840]

約数ペア:

[(1, 19133840), (2, 9566920), (4, 4783460), (5, 3826768), (8, 2391730), (10, 1913384), (11, 1739440), (16, 1195865), (17, 1125520), (20, 956692), (22, 869720), (34, 562760), (40, 478346), (44, 434860), (55, 347888), (68, 281380), (80, 239173), (85, 225104), (88, 217430), (110, 173944), (136, 140690), (170, 112552), (176, 108715), (187, 102320), (220, 86972), (272, 70345), (340, 56276), (374, 51160), (440, 43486), (680, 28138), (748, 25580), (880, 21743), (935, 20464), (1279, 14960), (1360, 14069), (1496, 12790), (1870, 10232), (2558, 7480), (2992, 6395), (3740, 5116)]