18883479420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8069863}}^1$

素因数の和:8069891

約数の個数: 72

約数和(自身を含む): 61686040416

約数和(自身を除く): 42802560996

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, 8069863, 16139726, 24209589, 32279452, 40349315, 48419178, 72628767, 80698630, 96838356, 104908219, 121047945, 145257534, 161397260, 209816438, 242095890, 290515068, 314724657, 363143835, 419632876, 484191780, 524541095, 629449314, 726287670, 944173971, 1049082190, 1258898628, 1452575340, 1573623285, 1888347942, 2098164380, 3147246570, 3776695884, 4720869855, 6294493140, 9441739710, 18883479420]

約数ペア:

[(1, 18883479420), (2, 9441739710), (3, 6294493140), (4, 4720869855), (5, 3776695884), (6, 3147246570), (9, 2098164380), (10, 1888347942), (12, 1573623285), (13, 1452575340), (15, 1258898628), (18, 1049082190), (20, 944173971), (26, 726287670), (30, 629449314), (36, 524541095), (39, 484191780), (45, 419632876), (52, 363143835), (60, 314724657), (65, 290515068), (78, 242095890), (90, 209816438), (117, 161397260), (130, 145257534), (156, 121047945), (180, 104908219), (195, 96838356), (234, 80698630), (260, 72628767), (390, 48419178), (468, 40349315), (585, 32279452), (780, 24209589), (1170, 16139726), (2340, 8069863)]