19107320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{28099}}^1$

素因数の和:28127

約数の個数: 32

約数和(自身を含む): 45522000

約数和(自身を除く): 26414680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 28099, 56198, 112396, 140495, 224792, 280990, 477683, 561980, 955366, 1123960, 1910732, 2388415, 3821464, 4776830, 9553660, 19107320]

約数ペア:

[(1, 19107320), (2, 9553660), (4, 4776830), (5, 3821464), (8, 2388415), (10, 1910732), (17, 1123960), (20, 955366), (34, 561980), (40, 477683), (68, 280990), (85, 224792), (136, 140495), (170, 112396), (340, 56198), (680, 28099)]