18992864

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 41368320

約数和(自身を除く): 22375456

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 79, 88, 158, 176, 316, 352, 632, 683, 869, 1264, 1366, 1738, 2528, 2732, 3476, 5464, 6952, 7513, 10928, 13904, 15026, 21856, 27808, 30052, 53957, 60104, 107914, 120208, 215828, 240416, 431656, 593527, 863312, 1187054, 1726624, 2374108, 4748216, 9496432, 18992864]

約数ペア:

[(1, 18992864), (2, 9496432), (4, 4748216), (8, 2374108), (11, 1726624), (16, 1187054), (22, 863312), (32, 593527), (44, 431656), (79, 240416), (88, 215828), (158, 120208), (176, 107914), (316, 60104), (352, 53957), (632, 30052), (683, 27808), (869, 21856), (1264, 15026), (1366, 13904), (1738, 10928), (2528, 7513), (2732, 6952), (3476, 5464)]