19744490

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:394

約数の個数: 32

約数和(自身を含む): 36418896

約数和(自身を除く): 16674406

約数列:

[1, 2, 5, 10, 101, 113, 173, 202, 226, 346, 505, 565, 865, 1010, 1130, 1730, 11413, 17473, 19549, 22826, 34946, 39098, 57065, 87365, 97745, 114130, 174730, 195490, 1974449, 3948898, 9872245, 19744490]

約数ペア:

[(1, 19744490), (2, 9872245), (5, 3948898), (10, 1974449), (101, 195490), (113, 174730), (173, 114130), (202, 97745), (226, 87365), (346, 57065), (505, 39098), (565, 34946), (865, 22826), (1010, 19549), (1130, 17473), (1730, 11413)]