18622480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13693}}^1$

素因数の和:13723

約数の個数: 40

約数和(自身を含む): 45847512

約数和(自身を除く): 27225032

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 13693, 27386, 54772, 68465, 109544, 136930, 219088, 232781, 273860, 465562, 547720, 931124, 1095440, 1163905, 1862248, 2327810, 3724496, 4655620, 9311240, 18622480]

約数ペア:

[(1, 18622480), (2, 9311240), (4, 4655620), (5, 3724496), (8, 2327810), (10, 1862248), (16, 1163905), (17, 1095440), (20, 931124), (34, 547720), (40, 465562), (68, 273860), (80, 232781), (85, 219088), (136, 136930), (170, 109544), (272, 68465), (340, 54772), (680, 27386), (1360, 13693)]