18115664

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8513}}^1$

素因数の和:8547

約数の個数: 40

約数和(自身を含む): 42229440

約数和(自身を除く): 24113776

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 8513, 17026, 34052, 59591, 68104, 119182, 136208, 161747, 238364, 323494, 476728, 646988, 953456, 1132229, 1293976, 2264458, 2587952, 4528916, 9057832, 18115664]

約数ペア:

[(1, 18115664), (2, 9057832), (4, 4528916), (7, 2587952), (8, 2264458), (14, 1293976), (16, 1132229), (19, 953456), (28, 646988), (38, 476728), (56, 323494), (76, 238364), (112, 161747), (133, 136208), (152, 119182), (266, 68104), (304, 59591), (532, 34052), (1064, 17026), (2128, 8513)]