19946950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:817

約数の個数: 48

約数和(自身を含む): 40604544

約数和(自身を除く): 20657594

約数列:

[1, 2, 5, 10, 17, 25, 31, 34, 50, 62, 85, 155, 170, 310, 425, 527, 757, 775, 850, 1054, 1514, 1550, 2635, 3785, 5270, 7570, 12869, 13175, 18925, 23467, 25738, 26350, 37850, 46934, 64345, 117335, 128690, 234670, 321725, 398939, 586675, 643450, 797878, 1173350, 1994695, 3989390, 9973475, 19946950]

約数ペア:

[(1, 19946950), (2, 9973475), (5, 3989390), (10, 1994695), (17, 1173350), (25, 797878), (31, 643450), (34, 586675), (50, 398939), (62, 321725), (85, 234670), (155, 128690), (170, 117335), (310, 64345), (425, 46934), (527, 37850), (757, 26350), (775, 25738), (850, 23467), (1054, 18925), (1514, 13175), (1550, 12869), (2635, 7570), (3785, 5270)]