18645711

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:319

約数の個数: 32

約数和(自身を含む): 29376000

約数和(自身を除く): 10730289

約数列:

[1, 3, 7, 21, 59, 101, 149, 177, 303, 413, 447, 707, 1043, 1239, 2121, 3129, 5959, 8791, 15049, 17877, 26373, 41713, 45147, 61537, 105343, 125139, 184611, 316029, 887891, 2663673, 6215237, 18645711]

約数ペア:

[(1, 18645711), (3, 6215237), (7, 2663673), (21, 887891), (59, 316029), (101, 184611), (149, 125139), (177, 105343), (303, 61537), (413, 45147), (447, 41713), (707, 26373), (1043, 17877), (1239, 15049), (2121, 8791), (3129, 5959)]