19243360

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2797}}^1$

素因数の和:2855

約数の個数: 48

約数和(自身を含む): 46536336

約数和(自身を除く): 27292976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 2797, 3440, 5594, 6880, 11188, 13985, 22376, 27970, 44752, 55940, 89504, 111880, 120271, 223760, 240542, 447520, 481084, 601355, 962168, 1202710, 1924336, 2405420, 3848672, 4810840, 9621680, 19243360]

約数ペア:

[(1, 19243360), (2, 9621680), (4, 4810840), (5, 3848672), (8, 2405420), (10, 1924336), (16, 1202710), (20, 962168), (32, 601355), (40, 481084), (43, 447520), (80, 240542), (86, 223760), (160, 120271), (172, 111880), (215, 89504), (344, 55940), (430, 44752), (688, 27970), (860, 22376), (1376, 13985), (1720, 11188), (2797, 6880), (3440, 5594)]