18066440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 46949760

約数和(自身を除く): 28883320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 571, 791, 904, 1130, 1142, 1582, 2260, 2284, 2855, 3164, 3955, 3997, 4520, 4568, 5710, 6328, 7910, 7994, 11420, 15820, 15988, 19985, 22840, 31640, 31976, 39970, 64523, 79940, 129046, 159880, 258092, 322615, 451661, 516184, 645230, 903322, 1290460, 1806644, 2258305, 2580920, 3613288, 4516610, 9033220, 18066440]

約数ペア:

[(1, 18066440), (2, 9033220), (4, 4516610), (5, 3613288), (7, 2580920), (8, 2258305), (10, 1806644), (14, 1290460), (20, 903322), (28, 645230), (35, 516184), (40, 451661), (56, 322615), (70, 258092), (113, 159880), (140, 129046), (226, 79940), (280, 64523), (452, 39970), (565, 31976), (571, 31640), (791, 22840), (904, 19985), (1130, 15988), (1142, 15820), (1582, 11420), (2260, 7994), (2284, 7910), (2855, 6328), (3164, 5710), (3955, 4568), (3997, 4520)]