19656352

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1571}}^1$

素因数の和:1621

約数の個数: 48

約数和(自身を含む): 42783552

約数和(自身を除く): 23127200

約数列:

[1, 2, 4, 8, 16, 17, 23, 32, 34, 46, 68, 92, 136, 184, 272, 368, 391, 544, 736, 782, 1564, 1571, 3128, 3142, 6256, 6284, 12512, 12568, 25136, 26707, 36133, 50272, 53414, 72266, 106828, 144532, 213656, 289064, 427312, 578128, 614261, 854624, 1156256, 1228522, 2457044, 4914088, 9828176, 19656352]

約数ペア:

[(1, 19656352), (2, 9828176), (4, 4914088), (8, 2457044), (16, 1228522), (17, 1156256), (23, 854624), (32, 614261), (34, 578128), (46, 427312), (68, 289064), (92, 213656), (136, 144532), (184, 106828), (272, 72266), (368, 53414), (391, 50272), (544, 36133), (736, 26707), (782, 25136), (1564, 12568), (1571, 12512), (3128, 6284), (3142, 6256)]