19908130

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{16453}}^1$

素因数の和:16482

約数の個数: 24

約数和(自身を含む): 39390876

約数和(自身を除く): 19482746

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 16453, 32906, 82265, 164530, 180983, 361966, 904915, 1809830, 1990813, 3981626, 9954065, 19908130]

約数ペア:

[(1, 19908130), (2, 9954065), (5, 3981626), (10, 1990813), (11, 1809830), (22, 904915), (55, 361966), (110, 180983), (121, 164530), (242, 82265), (605, 32906), (1210, 16453)]