18366780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{691}}^1$

素因数の和:1146

約数の個数: 48

約数和(自身を含む): 51617664

約数和(自身を除く): 33250884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 443, 691, 886, 1329, 1382, 1772, 2073, 2215, 2658, 2764, 3455, 4146, 4430, 5316, 6645, 6910, 8292, 8860, 10365, 13290, 13820, 20730, 26580, 41460, 306113, 612226, 918339, 1224452, 1530565, 1836678, 3061130, 3673356, 4591695, 6122260, 9183390, 18366780]

約数ペア:

[(1, 18366780), (2, 9183390), (3, 6122260), (4, 4591695), (5, 3673356), (6, 3061130), (10, 1836678), (12, 1530565), (15, 1224452), (20, 918339), (30, 612226), (60, 306113), (443, 41460), (691, 26580), (886, 20730), (1329, 13820), (1382, 13290), (1772, 10365), (2073, 8860), (2215, 8292), (2658, 6910), (2764, 6645), (3455, 5316), (4146, 4430)]