17638660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{379}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 40219200

約数和(自身を除く): 22580540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 260, 358, 379, 716, 758, 895, 1516, 1790, 1895, 2327, 3580, 3790, 4654, 4927, 7580, 9308, 9854, 11635, 19708, 23270, 24635, 46540, 49270, 67841, 98540, 135682, 271364, 339205, 678410, 881933, 1356820, 1763866, 3527732, 4409665, 8819330, 17638660]

約数ペア:

[(1, 17638660), (2, 8819330), (4, 4409665), (5, 3527732), (10, 1763866), (13, 1356820), (20, 881933), (26, 678410), (52, 339205), (65, 271364), (130, 135682), (179, 98540), (260, 67841), (358, 49270), (379, 46540), (716, 24635), (758, 23270), (895, 19708), (1516, 11635), (1790, 9854), (1895, 9308), (2327, 7580), (3580, 4927), (3790, 4654)]