18156970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7351}}^1$

素因数の和:7390

約数の個数: 32

約数和(自身を含む): 37054080

約数和(自身を除く): 18897110

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7351, 14702, 36755, 73510, 95563, 139669, 191126, 279338, 477815, 698345, 955630, 1396690, 1815697, 3631394, 9078485, 18156970]

約数ペア:

[(1, 18156970), (2, 9078485), (5, 3631394), (10, 1815697), (13, 1396690), (19, 955630), (26, 698345), (38, 477815), (65, 279338), (95, 191126), (130, 139669), (190, 95563), (247, 73510), (494, 36755), (1235, 14702), (2470, 7351)]