19546580

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{503}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 43182720

約数和(自身を除く): 23636140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 116, 134, 145, 268, 290, 335, 503, 580, 670, 1006, 1340, 1943, 2012, 2515, 3886, 5030, 7772, 9715, 10060, 14587, 19430, 29174, 33701, 38860, 58348, 67402, 72935, 134804, 145870, 168505, 291740, 337010, 674020, 977329, 1954658, 3909316, 4886645, 9773290, 19546580]

約数ペア:

[(1, 19546580), (2, 9773290), (4, 4886645), (5, 3909316), (10, 1954658), (20, 977329), (29, 674020), (58, 337010), (67, 291740), (116, 168505), (134, 145870), (145, 134804), (268, 72935), (290, 67402), (335, 58348), (503, 38860), (580, 33701), (670, 29174), (1006, 19430), (1340, 14587), (1943, 10060), (2012, 9715), (2515, 7772), (3886, 5030)]