18042810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{331}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 45895680

約数和(自身を除く): 27852870

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 79, 115, 138, 158, 230, 237, 331, 345, 395, 474, 662, 690, 790, 993, 1185, 1655, 1817, 1986, 2370, 3310, 3634, 4965, 5451, 7613, 9085, 9930, 10902, 15226, 18170, 22839, 26149, 27255, 38065, 45678, 52298, 54510, 76130, 78447, 114195, 130745, 156894, 228390, 261490, 392235, 601427, 784470, 1202854, 1804281, 3007135, 3608562, 6014270, 9021405, 18042810]

約数ペア:

[(1, 18042810), (2, 9021405), (3, 6014270), (5, 3608562), (6, 3007135), (10, 1804281), (15, 1202854), (23, 784470), (30, 601427), (46, 392235), (69, 261490), (79, 228390), (115, 156894), (138, 130745), (158, 114195), (230, 78447), (237, 76130), (331, 54510), (345, 52298), (395, 45678), (474, 38065), (662, 27255), (690, 26149), (790, 22839), (993, 18170), (1185, 15226), (1655, 10902), (1817, 9930), (1986, 9085), (2370, 7613), (3310, 5451), (3634, 4965)]