18327904

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4813}}^1$

素因数の和:4847

約数の個数: 48

約数和(自身を含む): 43672608

約数和(自身を除く): 25344704

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 4813, 9626, 19252, 33691, 38504, 67382, 77008, 81821, 134764, 154016, 163642, 269528, 327284, 539056, 572747, 654568, 1078112, 1145494, 1309136, 2290988, 2618272, 4581976, 9163952, 18327904]

約数ペア:

[(1, 18327904), (2, 9163952), (4, 4581976), (7, 2618272), (8, 2290988), (14, 1309136), (16, 1145494), (17, 1078112), (28, 654568), (32, 572747), (34, 539056), (56, 327284), (68, 269528), (112, 163642), (119, 154016), (136, 134764), (224, 81821), (238, 77008), (272, 67382), (476, 38504), (544, 33691), (952, 19252), (1904, 9626), (3808, 4813)]