18305820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7823}}^1$

素因数の和:7851

約数の個数: 72

約数和(自身を含む): 59806656

約数和(自身を除く): 41500836

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, 7823, 15646, 23469, 31292, 39115, 46938, 70407, 78230, 93876, 101699, 117345, 140814, 156460, 203398, 234690, 281628, 305097, 352035, 406796, 469380, 508495, 610194, 704070, 915291, 1016990, 1220388, 1408140, 1525485, 1830582, 2033980, 3050970, 3661164, 4576455, 6101940, 9152910, 18305820]

約数ペア:

[(1, 18305820), (2, 9152910), (3, 6101940), (4, 4576455), (5, 3661164), (6, 3050970), (9, 2033980), (10, 1830582), (12, 1525485), (13, 1408140), (15, 1220388), (18, 1016990), (20, 915291), (26, 704070), (30, 610194), (36, 508495), (39, 469380), (45, 406796), (52, 352035), (60, 305097), (65, 281628), (78, 234690), (90, 203398), (117, 156460), (130, 140814), (156, 117345), (180, 101699), (195, 93876), (234, 78230), (260, 70407), (390, 46938), (468, 39115), (585, 31292), (780, 23469), (1170, 15646), (2340, 7823)]