11899940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1237}}^1$

素因数の和:1296

約数の個数: 48

約数和(自身を含む): 27661872

約数和(自身を除く): 15761932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1237, 1924, 2405, 2474, 4810, 4948, 6185, 9620, 12370, 16081, 24740, 32162, 45769, 64324, 80405, 91538, 160810, 183076, 228845, 321620, 457690, 594997, 915380, 1189994, 2379988, 2974985, 5949970, 11899940]

約数ペア:

[(1, 11899940), (2, 5949970), (4, 2974985), (5, 2379988), (10, 1189994), (13, 915380), (20, 594997), (26, 457690), (37, 321620), (52, 228845), (65, 183076), (74, 160810), (130, 91538), (148, 80405), (185, 64324), (260, 45769), (370, 32162), (481, 24740), (740, 16081), (962, 12370), (1237, 9620), (1924, 6185), (2405, 4948), (2474, 4810)]