19953130

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 36858240

約数和(自身を除く): 16905110

約数列:

[1, 2, 5, 10, 71, 142, 157, 179, 314, 355, 358, 710, 785, 895, 1570, 1790, 11147, 12709, 22294, 25418, 28103, 55735, 56206, 63545, 111470, 127090, 140515, 281030, 1995313, 3990626, 9976565, 19953130]

約数ペア:

[(1, 19953130), (2, 9976565), (5, 3990626), (10, 1995313), (71, 281030), (142, 140515), (157, 127090), (179, 111470), (314, 63545), (355, 56206), (358, 55735), (710, 28103), (785, 25418), (895, 22294), (1570, 12709), (1790, 11147)]