18520336

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{853}}^1$

素因数の和:943

約数の個数: 40

約数和(自身を含む): 38122560

約数和(自身を除く): 19602224

約数列:

[1, 2, 4, 8, 16, 23, 46, 59, 92, 118, 184, 236, 368, 472, 853, 944, 1357, 1706, 2714, 3412, 5428, 6824, 10856, 13648, 19619, 21712, 39238, 50327, 78476, 100654, 156952, 201308, 313904, 402616, 805232, 1157521, 2315042, 4630084, 9260168, 18520336]

約数ペア:

[(1, 18520336), (2, 9260168), (4, 4630084), (8, 2315042), (16, 1157521), (23, 805232), (46, 402616), (59, 313904), (92, 201308), (118, 156952), (184, 100654), (236, 78476), (368, 50327), (472, 39238), (853, 21712), (944, 19619), (1357, 13648), (1706, 10856), (2714, 6824), (3412, 5428)]