18331974

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 43130880

約数和(自身を除く): 24798906

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 47, 54, 62, 93, 94, 141, 186, 233, 279, 282, 423, 466, 558, 699, 837, 846, 1269, 1398, 1457, 1674, 2097, 2538, 2914, 4194, 4371, 6291, 7223, 8742, 10951, 12582, 13113, 14446, 21669, 21902, 26226, 32853, 39339, 43338, 65007, 65706, 78678, 98559, 130014, 195021, 197118, 295677, 339481, 390042, 591354, 678962, 1018443, 2036886, 3055329, 6110658, 9165987, 18331974]

約数ペア:

[(1, 18331974), (2, 9165987), (3, 6110658), (6, 3055329), (9, 2036886), (18, 1018443), (27, 678962), (31, 591354), (47, 390042), (54, 339481), (62, 295677), (93, 197118), (94, 195021), (141, 130014), (186, 98559), (233, 78678), (279, 65706), (282, 65007), (423, 43338), (466, 39339), (558, 32853), (699, 26226), (837, 21902), (846, 21669), (1269, 14446), (1398, 13113), (1457, 12582), (1674, 10951), (2097, 8742), (2538, 7223), (2914, 6291), (4194, 4371)]