19347890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1289}}^1$

素因数の和:1394

約数の個数: 32

約数和(自身を含む): 37152000

約数和(自身を除く): 17804110

約数列:

[1, 2, 5, 10, 19, 38, 79, 95, 158, 190, 395, 790, 1289, 1501, 2578, 3002, 6445, 7505, 12890, 15010, 24491, 48982, 101831, 122455, 203662, 244910, 509155, 1018310, 1934789, 3869578, 9673945, 19347890]

約数ペア:

[(1, 19347890), (2, 9673945), (5, 3869578), (10, 1934789), (19, 1018310), (38, 509155), (79, 244910), (95, 203662), (158, 122455), (190, 101831), (395, 48982), (790, 24491), (1289, 15010), (1501, 12890), (2578, 7505), (3002, 6445)]