19045400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{787}}^1$

素因数の和:825

約数の個数: 72

約数和(自身を含む): 48733860

約数和(自身を除く): 29688460

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 200, 220, 242, 275, 440, 484, 550, 605, 787, 968, 1100, 1210, 1574, 2200, 2420, 3025, 3148, 3935, 4840, 6050, 6296, 7870, 8657, 12100, 15740, 17314, 19675, 24200, 31480, 34628, 39350, 43285, 69256, 78700, 86570, 95227, 157400, 173140, 190454, 216425, 346280, 380908, 432850, 476135, 761816, 865700, 952270, 1731400, 1904540, 2380675, 3809080, 4761350, 9522700, 19045400]

約数ペア:

[(1, 19045400), (2, 9522700), (4, 4761350), (5, 3809080), (8, 2380675), (10, 1904540), (11, 1731400), (20, 952270), (22, 865700), (25, 761816), (40, 476135), (44, 432850), (50, 380908), (55, 346280), (88, 216425), (100, 190454), (110, 173140), (121, 157400), (200, 95227), (220, 86570), (242, 78700), (275, 69256), (440, 43285), (484, 39350), (550, 34628), (605, 31480), (787, 24200), (968, 19675), (1100, 17314), (1210, 15740), (1574, 12100), (2200, 8657), (2420, 7870), (3025, 6296), (3148, 6050), (3935, 4840)]