18015520

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1033}}^1$

素因数の和:1157

約数の個数: 48

約数和(自身を含む): 42993720

約数和(自身を除く): 24978200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1033, 1090, 1744, 2066, 2180, 3488, 4132, 4360, 5165, 8264, 8720, 10330, 16528, 17440, 20660, 33056, 41320, 82640, 112597, 165280, 225194, 450388, 562985, 900776, 1125970, 1801552, 2251940, 3603104, 4503880, 9007760, 18015520]

約数ペア:

[(1, 18015520), (2, 9007760), (4, 4503880), (5, 3603104), (8, 2251940), (10, 1801552), (16, 1125970), (20, 900776), (32, 562985), (40, 450388), (80, 225194), (109, 165280), (160, 112597), (218, 82640), (436, 41320), (545, 33056), (872, 20660), (1033, 17440), (1090, 16528), (1744, 10330), (2066, 8720), (2180, 8264), (3488, 5165), (4132, 4360)]