18439135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 28957824

約数和(自身を除く): 10518689

約数列:

[1, 5, 11, 13, 17, 37, 41, 55, 65, 85, 143, 185, 187, 205, 221, 407, 451, 481, 533, 629, 697, 715, 935, 1105, 1517, 2035, 2255, 2405, 2431, 2665, 3145, 3485, 5291, 5863, 6919, 7585, 7667, 8177, 9061, 12155, 16687, 19721, 25789, 26455, 29315, 34595, 38335, 40885, 45305, 83435, 89947, 98605, 99671, 128945, 216931, 283679, 335257, 449735, 498355, 1084655, 1418395, 1676285, 3687827, 18439135]

約数ペア:

[(1, 18439135), (5, 3687827), (11, 1676285), (13, 1418395), (17, 1084655), (37, 498355), (41, 449735), (55, 335257), (65, 283679), (85, 216931), (143, 128945), (185, 99671), (187, 98605), (205, 89947), (221, 83435), (407, 45305), (451, 40885), (481, 38335), (533, 34595), (629, 29315), (697, 26455), (715, 25789), (935, 19721), (1105, 16687), (1517, 12155), (2035, 9061), (2255, 8177), (2405, 7667), (2431, 7585), (2665, 6919), (3145, 5863), (3485, 5291)]