19159660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1249}}^1$

素因数の和:1330

約数の個数: 48

約数和(自身を含む): 44100000

約数和(自身を除く): 24940340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1249, 1534, 2498, 3068, 3835, 4996, 6245, 7670, 12490, 15340, 16237, 24980, 32474, 64948, 73691, 81185, 147382, 162370, 294764, 324740, 368455, 736910, 957983, 1473820, 1915966, 3831932, 4789915, 9579830, 19159660]

約数ペア:

[(1, 19159660), (2, 9579830), (4, 4789915), (5, 3831932), (10, 1915966), (13, 1473820), (20, 957983), (26, 736910), (52, 368455), (59, 324740), (65, 294764), (118, 162370), (130, 147382), (236, 81185), (260, 73691), (295, 64948), (590, 32474), (767, 24980), (1180, 16237), (1249, 15340), (1534, 12490), (2498, 7670), (3068, 6245), (3835, 4996)]