19806496

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1583}}^1$

素因数の和:1633

約数の個数: 48

約数和(自身を含む): 43110144

約数和(自身を除く): 23303648

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 68, 92, 136, 184, 272, 368, 391, 544, 736, 782, 1564, 1583, 3128, 3166, 6256, 6332, 12512, 12664, 25328, 26911, 36409, 50656, 53822, 72818, 107644, 145636, 215288, 291272, 430576, 582544, 618953, 861152, 1165088, 1237906, 2475812, 4951624, 9903248, 19806496]

約数ペア:

[(1, 19806496), (2, 9903248), (4, 4951624), (8, 2475812), (16, 1237906), (17, 1165088), (23, 861152), (32, 618953), (34, 582544), (46, 430576), (68, 291272), (92, 215288), (136, 145636), (184, 107644), (272, 72818), (368, 53822), (391, 50656), (544, 36409), (736, 26911), (782, 25328), (1564, 12664), (1583, 12512), (3128, 6332), (3166, 6256)]