19069216

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 39674880

約数和(自身を除く): 20605664

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 94, 124, 188, 248, 376, 409, 496, 752, 818, 992, 1457, 1504, 1636, 2914, 3272, 5828, 6544, 11656, 12679, 13088, 19223, 23312, 25358, 38446, 46624, 50716, 76892, 101432, 153784, 202864, 307568, 405728, 595913, 615136, 1191826, 2383652, 4767304, 9534608, 19069216]

約数ペア:

[(1, 19069216), (2, 9534608), (4, 4767304), (8, 2383652), (16, 1191826), (31, 615136), (32, 595913), (47, 405728), (62, 307568), (94, 202864), (124, 153784), (188, 101432), (248, 76892), (376, 50716), (409, 46624), (496, 38446), (752, 25358), (818, 23312), (992, 19223), (1457, 13088), (1504, 12679), (1636, 11656), (2914, 6544), (3272, 5828)]