18478380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1171}}^1$

素因数の和:1446

約数の個数: 48

約数和(自身を含む): 51980544

約数和(自身を除く): 33502164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 526, 789, 1052, 1171, 1315, 1578, 2342, 2630, 3156, 3513, 3945, 4684, 5260, 5855, 7026, 7890, 11710, 14052, 15780, 17565, 23420, 35130, 70260, 307973, 615946, 923919, 1231892, 1539865, 1847838, 3079730, 3695676, 4619595, 6159460, 9239190, 18478380]

約数ペア:

[(1, 18478380), (2, 9239190), (3, 6159460), (4, 4619595), (5, 3695676), (6, 3079730), (10, 1847838), (12, 1539865), (15, 1231892), (20, 923919), (30, 615946), (60, 307973), (263, 70260), (526, 35130), (789, 23420), (1052, 17565), (1171, 15780), (1315, 14052), (1578, 11710), (2342, 7890), (2630, 7026), (3156, 5855), (3513, 5260), (3945, 4684)]