18425940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23623}}^1$

素因数の和:23648

約数の個数: 48

約数和(自身を含む): 55563648

約数和(自身を除く): 37137708

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, 23623, 47246, 70869, 94492, 118115, 141738, 236230, 283476, 307099, 354345, 472460, 614198, 708690, 921297, 1228396, 1417380, 1535495, 1842594, 3070990, 3685188, 4606485, 6141980, 9212970, 18425940]

約数ペア:

[(1, 18425940), (2, 9212970), (3, 6141980), (4, 4606485), (5, 3685188), (6, 3070990), (10, 1842594), (12, 1535495), (13, 1417380), (15, 1228396), (20, 921297), (26, 708690), (30, 614198), (39, 472460), (52, 354345), (60, 307099), (65, 283476), (78, 236230), (130, 141738), (156, 118115), (195, 94492), (260, 70869), (390, 47246), (780, 23623)]