19846840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38167}}^1$

素因数の和:38191

約数の個数: 32

約数和(自身を含む): 48091680

約数和(自身を除く): 28244840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38167, 76334, 152668, 190835, 305336, 381670, 496171, 763340, 992342, 1526680, 1984684, 2480855, 3969368, 4961710, 9923420, 19846840]

約数ペア:

[(1, 19846840), (2, 9923420), (4, 4961710), (5, 3969368), (8, 2480855), (10, 1984684), (13, 1526680), (20, 992342), (26, 763340), (40, 496171), (52, 381670), (65, 305336), (104, 190835), (130, 152668), (260, 76334), (520, 38167)]