19492330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 42311808

約数和(自身を除く): 22819478

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 43, 55, 65, 86, 110, 130, 143, 215, 286, 317, 430, 473, 559, 634, 715, 946, 1118, 1430, 1585, 2365, 2795, 3170, 3487, 4121, 4730, 5590, 6149, 6974, 8242, 12298, 13631, 17435, 20605, 27262, 30745, 34870, 41210, 45331, 61490, 68155, 90662, 136310, 149941, 177203, 226655, 299882, 354406, 453310, 749705, 886015, 1499410, 1772030, 1949233, 3898466, 9746165, 19492330]

約数ペア:

[(1, 19492330), (2, 9746165), (5, 3898466), (10, 1949233), (11, 1772030), (13, 1499410), (22, 886015), (26, 749705), (43, 453310), (55, 354406), (65, 299882), (86, 226655), (110, 177203), (130, 149941), (143, 136310), (215, 90662), (286, 68155), (317, 61490), (430, 45331), (473, 41210), (559, 34870), (634, 30745), (715, 27262), (946, 20605), (1118, 17435), (1430, 13631), (1585, 12298), (2365, 8242), (2795, 6974), (3170, 6149), (3487, 5590), (4121, 4730)]