18754140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{16451}}^1$

素因数の和:16482

約数の個数: 48

約数和(自身を含む): 55278720

約数和(自身を除く): 36524580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 16451, 32902, 49353, 65804, 82255, 98706, 164510, 197412, 246765, 312569, 329020, 493530, 625138, 937707, 987060, 1250276, 1562845, 1875414, 3125690, 3750828, 4688535, 6251380, 9377070, 18754140]

約数ペア:

[(1, 18754140), (2, 9377070), (3, 6251380), (4, 4688535), (5, 3750828), (6, 3125690), (10, 1875414), (12, 1562845), (15, 1250276), (19, 987060), (20, 937707), (30, 625138), (38, 493530), (57, 329020), (60, 312569), (76, 246765), (95, 197412), (114, 164510), (190, 98706), (228, 82255), (285, 65804), (380, 49353), (570, 32902), (1140, 16451)]