18896764

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:645

約数の個数: 24

約数和(自身を含む): 33784128

約数和(自身を除く): 14887364

約数列:

[1, 2, 4, 97, 113, 194, 226, 388, 431, 452, 862, 1724, 10961, 21922, 41807, 43844, 48703, 83614, 97406, 167228, 194812, 4724191, 9448382, 18896764]

約数ペア:

[(1, 18896764), (2, 9448382), (4, 4724191), (97, 194812), (113, 167228), (194, 97406), (226, 83614), (388, 48703), (431, 43844), (452, 41807), (862, 21922), (1724, 10961)]