18454240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{16477}}^1$

素因数の和:16499

約数の個数: 48

約数和(自身を含む): 49829472

約数和(自身を除く): 31375232

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 16477, 32954, 65908, 82385, 115339, 131816, 164770, 230678, 263632, 329540, 461356, 527264, 576695, 659080, 922712, 1153390, 1318160, 1845424, 2306780, 2636320, 3690848, 4613560, 9227120, 18454240]

約数ペア:

[(1, 18454240), (2, 9227120), (4, 4613560), (5, 3690848), (7, 2636320), (8, 2306780), (10, 1845424), (14, 1318160), (16, 1153390), (20, 922712), (28, 659080), (32, 576695), (35, 527264), (40, 461356), (56, 329540), (70, 263632), (80, 230678), (112, 164770), (140, 131816), (160, 115339), (224, 82385), (280, 65908), (560, 32954), (1120, 16477)]