18295928

素因数分解:

$2^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1367}}^1$

素因数の和:1619

約数の個数: 32

約数和(自身を含む): 39398400

約数和(自身を除く): 21102472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 239, 478, 956, 1367, 1673, 1912, 2734, 3346, 5468, 6692, 9569, 10936, 13384, 19138, 38276, 76552, 326713, 653426, 1306852, 2286991, 2613704, 4573982, 9147964, 18295928]

約数ペア:

[(1, 18295928), (2, 9147964), (4, 4573982), (7, 2613704), (8, 2286991), (14, 1306852), (28, 653426), (56, 326713), (239, 76552), (478, 38276), (956, 19138), (1367, 13384), (1673, 10936), (1912, 9569), (2734, 6692), (3346, 5468)]