19222840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5281}}^1$

素因数の和:5312

約数の個数: 64

約数和(自身を含む): 53242560

約数和(自身を除く): 34019720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5281, 10562, 21124, 26405, 36967, 42248, 52810, 68653, 73934, 105620, 137306, 147868, 184835, 211240, 274612, 295736, 343265, 369670, 480571, 549224, 686530, 739340, 961142, 1373060, 1478680, 1922284, 2402855, 2746120, 3844568, 4805710, 9611420, 19222840]

約数ペア:

[(1, 19222840), (2, 9611420), (4, 4805710), (5, 3844568), (7, 2746120), (8, 2402855), (10, 1922284), (13, 1478680), (14, 1373060), (20, 961142), (26, 739340), (28, 686530), (35, 549224), (40, 480571), (52, 369670), (56, 343265), (65, 295736), (70, 274612), (91, 211240), (104, 184835), (130, 147868), (140, 137306), (182, 105620), (260, 73934), (280, 68653), (364, 52810), (455, 42248), (520, 36967), (728, 26405), (910, 21124), (1820, 10562), (3640, 5281)]