19760368

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1151}}^1$

素因数の和:1225

約数の個数: 40

約数和(自身を含む): 40711680

約数和(自身を除く): 20951312

約数列:

[1, 2, 4, 8, 16, 29, 37, 58, 74, 116, 148, 232, 296, 464, 592, 1073, 1151, 2146, 2302, 4292, 4604, 8584, 9208, 17168, 18416, 33379, 42587, 66758, 85174, 133516, 170348, 267032, 340696, 534064, 681392, 1235023, 2470046, 4940092, 9880184, 19760368]

約数ペア:

[(1, 19760368), (2, 9880184), (4, 4940092), (8, 2470046), (16, 1235023), (29, 681392), (37, 534064), (58, 340696), (74, 267032), (116, 170348), (148, 133516), (232, 85174), (296, 66758), (464, 42587), (592, 33379), (1073, 18416), (1151, 17168), (2146, 9208), (2302, 8584), (4292, 4604)]