17386980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{22291}}^1$

素因数の和:22316

約数の個数: 48

約数和(自身を含む): 52430784

約数和(自身を除く): 35043804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 22291, 44582, 66873, 89164, 111455, 133746, 222910, 267492, 289783, 334365, 445820, 579566, 668730, 869349, 1159132, 1337460, 1448915, 1738698, 2897830, 3477396, 4346745, 5795660, 8693490, 17386980]

約数ペア:

[(1, 17386980), (2, 8693490), (3, 5795660), (4, 4346745), (5, 3477396), (6, 2897830), (10, 1738698), (12, 1448915), (13, 1337460), (15, 1159132), (20, 869349), (26, 668730), (30, 579566), (39, 445820), (52, 334365), (60, 289783), (65, 267492), (78, 222910), (130, 133746), (156, 111455), (195, 89164), (260, 66873), (390, 44582), (780, 22291)]