18881460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8069}}^1$

素因数の和:8097

約数の個数: 72

約数和(自身を含む): 61687080

約数和(自身を除く): 42805620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8069, 16138, 24207, 32276, 40345, 48414, 72621, 80690, 96828, 104897, 121035, 145242, 161380, 209794, 242070, 290484, 314691, 363105, 419588, 484140, 524485, 629382, 726210, 944073, 1048970, 1258764, 1452420, 1573455, 1888146, 2097940, 3146910, 3776292, 4720365, 6293820, 9440730, 18881460]

約数ペア:

[(1, 18881460), (2, 9440730), (3, 6293820), (4, 4720365), (5, 3776292), (6, 3146910), (9, 2097940), (10, 1888146), (12, 1573455), (13, 1452420), (15, 1258764), (18, 1048970), (20, 944073), (26, 726210), (30, 629382), (36, 524485), (39, 484140), (45, 419588), (52, 363105), (60, 314691), (65, 290484), (78, 242070), (90, 209794), (117, 161380), (130, 145242), (156, 121035), (180, 104897), (195, 96828), (234, 80690), (260, 72621), (390, 48414), (468, 40345), (585, 32276), (780, 24207), (1170, 16138), (2340, 8069)]