19626200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^2\times {\mathrm{811}}^1$

素因数の和:849

約数の個数: 72

約数和(自身を含む): 50218140

約数和(自身を除く): 30591940

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, 811, 968, 1100, 1210, 1622, 2200, 2420, 3025, 3244, 4055, 4840, 6050, 6488, 8110, 8921, 12100, 16220, 17842, 20275, 24200, 32440, 35684, 40550, 44605, 71368, 81100, 89210, 98131, 162200, 178420, 196262, 223025, 356840, 392524, 446050, 490655, 785048, 892100, 981310, 1784200, 1962620, 2453275, 3925240, 4906550, 9813100, 19626200]

約数ペア:

[(1, 19626200), (2, 9813100), (4, 4906550), (5, 3925240), (8, 2453275), (10, 1962620), (11, 1784200), (20, 981310), (22, 892100), (25, 785048), (40, 490655), (44, 446050), (50, 392524), (55, 356840), (88, 223025), (100, 196262), (110, 178420), (121, 162200), (200, 98131), (220, 89210), (242, 81100), (275, 71368), (440, 44605), (484, 40550), (550, 35684), (605, 32440), (811, 24200), (968, 20275), (1100, 17842), (1210, 16220), (1622, 12100), (2200, 8921), (2420, 8110), (3025, 6488), (3244, 6050), (4055, 4840)]