18254970

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:777

約数の個数: 80

約数和(自身を含む): 50738688

約数和(自身を除く): 32483718

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 81, 90, 93, 135, 155, 162, 186, 270, 279, 310, 405, 465, 558, 727, 810, 837, 930, 1395, 1454, 1674, 2181, 2511, 2790, 3635, 4185, 4362, 5022, 6543, 7270, 8370, 10905, 12555, 13086, 19629, 21810, 22537, 25110, 32715, 39258, 45074, 58887, 65430, 67611, 98145, 112685, 117774, 135222, 196290, 202833, 225370, 294435, 338055, 405666, 588870, 608499, 676110, 1014165, 1216998, 1825497, 2028330, 3042495, 3650994, 6084990, 9127485, 18254970]

約数ペア:

[(1, 18254970), (2, 9127485), (3, 6084990), (5, 3650994), (6, 3042495), (9, 2028330), (10, 1825497), (15, 1216998), (18, 1014165), (27, 676110), (30, 608499), (31, 588870), (45, 405666), (54, 338055), (62, 294435), (81, 225370), (90, 202833), (93, 196290), (135, 135222), (155, 117774), (162, 112685), (186, 98145), (270, 67611), (279, 65430), (310, 58887), (405, 45074), (465, 39258), (558, 32715), (727, 25110), (810, 22537), (837, 21810), (930, 19629), (1395, 13086), (1454, 12555), (1674, 10905), (2181, 8370), (2511, 7270), (2790, 6543), (3635, 5022), (4185, 4362)]