17763980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4019}}^1$

素因数の和:4058

約数の個数: 48

約数和(自身を含む): 42547680

約数和(自身を除く): 24783700

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4019, 4420, 8038, 16076, 20095, 40190, 52247, 68323, 80380, 104494, 136646, 208988, 261235, 273292, 341615, 522470, 683230, 888199, 1044940, 1366460, 1776398, 3552796, 4440995, 8881990, 17763980]

約数ペア:

[(1, 17763980), (2, 8881990), (4, 4440995), (5, 3552796), (10, 1776398), (13, 1366460), (17, 1044940), (20, 888199), (26, 683230), (34, 522470), (52, 341615), (65, 273292), (68, 261235), (85, 208988), (130, 136646), (170, 104494), (221, 80380), (260, 68323), (340, 52247), (442, 40190), (884, 20095), (1105, 16076), (2210, 8038), (4019, 4420)]