19782750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2029}}^1$

素因数の和:2062

約数の個数: 64

約数和(自身を含む): 53202240

約数和(自身を除く): 33419490

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 650, 750, 975, 1625, 1950, 2029, 3250, 4058, 4875, 6087, 9750, 10145, 12174, 20290, 26377, 30435, 50725, 52754, 60870, 79131, 101450, 131885, 152175, 158262, 253625, 263770, 304350, 395655, 507250, 659425, 760875, 791310, 1318850, 1521750, 1978275, 3297125, 3956550, 6594250, 9891375, 19782750]

約数ペア:

[(1, 19782750), (2, 9891375), (3, 6594250), (5, 3956550), (6, 3297125), (10, 1978275), (13, 1521750), (15, 1318850), (25, 791310), (26, 760875), (30, 659425), (39, 507250), (50, 395655), (65, 304350), (75, 263770), (78, 253625), (125, 158262), (130, 152175), (150, 131885), (195, 101450), (250, 79131), (325, 60870), (375, 52754), (390, 50725), (650, 30435), (750, 26377), (975, 20290), (1625, 12174), (1950, 10145), (2029, 9750), (3250, 6087), (4058, 4875)]