19641376

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:413

約数の個数: 48

約数和(自身を含む): 40592664

約数和(自身を除く): 20951288

約数列:

[1, 2, 4, 8, 16, 32, 37, 53, 74, 106, 148, 212, 296, 313, 424, 592, 626, 848, 1184, 1252, 1696, 1961, 2504, 3922, 5008, 7844, 10016, 11581, 15688, 16589, 23162, 31376, 33178, 46324, 62752, 66356, 92648, 132712, 185296, 265424, 370592, 530848, 613793, 1227586, 2455172, 4910344, 9820688, 19641376]

約数ペア:

[(1, 19641376), (2, 9820688), (4, 4910344), (8, 2455172), (16, 1227586), (32, 613793), (37, 530848), (53, 370592), (74, 265424), (106, 185296), (148, 132712), (212, 92648), (296, 66356), (313, 62752), (424, 46324), (592, 33178), (626, 31376), (848, 23162), (1184, 16589), (1252, 15688), (1696, 11581), (1961, 10016), (2504, 7844), (3922, 5008)]