18908040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8293}}^1$

素因数の和:8326

約数の個数: 64

約数和(自身を含む): 59716800

約数和(自身を除く): 40808760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 8293, 16586, 24879, 33172, 41465, 49758, 66344, 82930, 99516, 124395, 157567, 165860, 199032, 248790, 315134, 331720, 472701, 497580, 630268, 787835, 945402, 995160, 1260536, 1575670, 1890804, 2363505, 3151340, 3781608, 4727010, 6302680, 9454020, 18908040]

約数ペア:

[(1, 18908040), (2, 9454020), (3, 6302680), (4, 4727010), (5, 3781608), (6, 3151340), (8, 2363505), (10, 1890804), (12, 1575670), (15, 1260536), (19, 995160), (20, 945402), (24, 787835), (30, 630268), (38, 497580), (40, 472701), (57, 331720), (60, 315134), (76, 248790), (95, 199032), (114, 165860), (120, 157567), (152, 124395), (190, 99516), (228, 82930), (285, 66344), (380, 49758), (456, 41465), (570, 33172), (760, 24879), (1140, 16586), (2280, 8293)]