18315878

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 32788800

約数和(自身を除く): 14472922

約数列:

[1, 2, 7, 14, 29, 58, 197, 203, 229, 394, 406, 458, 1379, 1603, 2758, 3206, 5713, 6641, 11426, 13282, 39991, 45113, 46487, 79982, 90226, 92974, 315791, 631582, 1308277, 2616554, 9157939, 18315878]

約数ペア:

[(1, 18315878), (2, 9157939), (7, 2616554), (14, 1308277), (29, 631582), (58, 315791), (197, 92974), (203, 90226), (229, 79982), (394, 46487), (406, 45113), (458, 39991), (1379, 13282), (1603, 11426), (2758, 6641), (3206, 5713)]