19831240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3467}}^1$

素因数の和:3502

約数の個数: 64

約数和(自身を含む): 52436160

約数和(自身を除く): 32604920

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 3467, 5720, 6934, 13868, 17335, 27736, 34670, 38137, 45071, 69340, 76274, 90142, 138680, 152548, 180284, 190685, 225355, 305096, 360568, 381370, 450710, 495781, 762740, 901420, 991562, 1525480, 1802840, 1983124, 2478905, 3966248, 4957810, 9915620, 19831240]

約数ペア:

[(1, 19831240), (2, 9915620), (4, 4957810), (5, 3966248), (8, 2478905), (10, 1983124), (11, 1802840), (13, 1525480), (20, 991562), (22, 901420), (26, 762740), (40, 495781), (44, 450710), (52, 381370), (55, 360568), (65, 305096), (88, 225355), (104, 190685), (110, 180284), (130, 152548), (143, 138680), (220, 90142), (260, 76274), (286, 69340), (440, 45071), (520, 38137), (572, 34670), (715, 27736), (1144, 17335), (1430, 13868), (2860, 6934), (3467, 5720)]