91473980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18517}}^1$

素因数の和:18558

約数の個数: 48

約数和(自身を含む): 217771680

約数和(自身を除く): 126297700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 18517, 37034, 74068, 92585, 185170, 240721, 351823, 370340, 481442, 703646, 962884, 1203605, 1407292, 1759115, 2407210, 3518230, 4573699, 4814420, 7036460, 9147398, 18294796, 22868495, 45736990, 91473980]

約数ペア:

[(1, 91473980), (2, 45736990), (4, 22868495), (5, 18294796), (10, 9147398), (13, 7036460), (19, 4814420), (20, 4573699), (26, 3518230), (38, 2407210), (52, 1759115), (65, 1407292), (76, 1203605), (95, 962884), (130, 703646), (190, 481442), (247, 370340), (260, 351823), (380, 240721), (494, 185170), (988, 92585), (1235, 74068), (2470, 37034), (4940, 18517)]