19740088

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2129}}^1$

素因数の和:2215

約数の個数: 32

約数和(自身を含む): 39618000

約数和(自身を除く): 19877912

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2129, 2318, 4258, 4636, 8516, 9272, 17032, 40451, 80902, 129869, 161804, 259738, 323608, 519476, 1038952, 2467511, 4935022, 9870044, 19740088]

約数ペア:

[(1, 19740088), (2, 9870044), (4, 4935022), (8, 2467511), (19, 1038952), (38, 519476), (61, 323608), (76, 259738), (122, 161804), (152, 129869), (244, 80902), (488, 40451), (1159, 17032), (2129, 9272), (2318, 8516), (4258, 4636)]