19241420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7951}}^1$

素因数の和:7982

約数の個数: 36

約数和(自身を含む): 44419872

約数和(自身を除く): 25178452

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 7951, 15902, 31804, 39755, 79510, 87461, 159020, 174922, 349844, 437305, 874610, 962071, 1749220, 1924142, 3848284, 4810355, 9620710, 19241420]

約数ペア:

[(1, 19241420), (2, 9620710), (4, 4810355), (5, 3848284), (10, 1924142), (11, 1749220), (20, 962071), (22, 874610), (44, 437305), (55, 349844), (110, 174922), (121, 159020), (220, 87461), (242, 79510), (484, 39755), (605, 31804), (1210, 15902), (2420, 7951)]