18613640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:942

約数の個数: 64

約数和(自身を含む): 45826560

約数和(自身を除く): 27212920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 31, 34, 40, 62, 68, 85, 124, 136, 155, 170, 248, 310, 340, 527, 620, 680, 883, 1054, 1240, 1766, 2108, 2635, 3532, 4216, 4415, 5270, 7064, 8830, 10540, 15011, 17660, 21080, 27373, 30022, 35320, 54746, 60044, 75055, 109492, 120088, 136865, 150110, 218984, 273730, 300220, 465341, 547460, 600440, 930682, 1094920, 1861364, 2326705, 3722728, 4653410, 9306820, 18613640]

約数ペア:

[(1, 18613640), (2, 9306820), (4, 4653410), (5, 3722728), (8, 2326705), (10, 1861364), (17, 1094920), (20, 930682), (31, 600440), (34, 547460), (40, 465341), (62, 300220), (68, 273730), (85, 218984), (124, 150110), (136, 136865), (155, 120088), (170, 109492), (248, 75055), (310, 60044), (340, 54746), (527, 35320), (620, 30022), (680, 27373), (883, 21080), (1054, 17660), (1240, 15011), (1766, 10540), (2108, 8830), (2635, 7064), (3532, 5270), (4216, 4415)]