18707516

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1117}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 33808320

約数和(自身を除く): 15100804

約数列:

[1, 2, 4, 53, 79, 106, 158, 212, 316, 1117, 2234, 4187, 4468, 8374, 16748, 59201, 88243, 118402, 176486, 236804, 352972, 4676879, 9353758, 18707516]

約数ペア:

[(1, 18707516), (2, 9353758), (4, 4676879), (53, 352972), (79, 236804), (106, 176486), (158, 118402), (212, 88243), (316, 59201), (1117, 16748), (2234, 8374), (4187, 4468)]