18637060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1667}}^1$

素因数の和:1732

約数の個数: 48

約数和(自身を含む): 43154496

約数和(自身を除く): 24517436

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1667, 2236, 2795, 3334, 5590, 6668, 8335, 11180, 16670, 21671, 33340, 43342, 71681, 86684, 108355, 143362, 216710, 286724, 358405, 433420, 716810, 931853, 1433620, 1863706, 3727412, 4659265, 9318530, 18637060]

約数ペア:

[(1, 18637060), (2, 9318530), (4, 4659265), (5, 3727412), (10, 1863706), (13, 1433620), (20, 931853), (26, 716810), (43, 433420), (52, 358405), (65, 286724), (86, 216710), (130, 143362), (172, 108355), (215, 86684), (260, 71681), (430, 43342), (559, 33340), (860, 21671), (1118, 16670), (1667, 11180), (2236, 8335), (2795, 6668), (3334, 5590)]