17917980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{571}}^1$

素因数の和:1106

約数の個数: 48

約数和(自身を含む): 50354304

約数和(自身を除く): 32436324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 523, 571, 1046, 1142, 1569, 1713, 2092, 2284, 2615, 2855, 3138, 3426, 5230, 5710, 6276, 6852, 7845, 8565, 10460, 11420, 15690, 17130, 31380, 34260, 298633, 597266, 895899, 1194532, 1493165, 1791798, 2986330, 3583596, 4479495, 5972660, 8958990, 17917980]

約数ペア:

[(1, 17917980), (2, 8958990), (3, 5972660), (4, 4479495), (5, 3583596), (6, 2986330), (10, 1791798), (12, 1493165), (15, 1194532), (20, 895899), (30, 597266), (60, 298633), (523, 34260), (571, 31380), (1046, 17130), (1142, 15690), (1569, 11420), (1713, 10460), (2092, 8565), (2284, 7845), (2615, 6852), (2855, 6276), (3138, 5710), (3426, 5230)]