19212028

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{11801}}^1$

素因数の和:11853

約数の個数: 24

約数和(自身を含む): 37671984

約数和(自身を除く): 18459956

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 11801, 23602, 47204, 129811, 259622, 436637, 519244, 873274, 1746548, 4803007, 9606014, 19212028]

約数ペア:

[(1, 19212028), (2, 9606014), (4, 4803007), (11, 1746548), (22, 873274), (37, 519244), (44, 436637), (74, 259622), (148, 129811), (407, 47204), (814, 23602), (1628, 11801)]