13238915

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 17902080

約数和(自身を除く): 4663165

約数列:

[1, 5, 19, 23, 73, 83, 95, 115, 365, 415, 437, 1387, 1577, 1679, 1909, 2185, 6059, 6935, 7885, 8395, 9545, 30295, 31901, 36271, 115121, 139357, 159505, 181355, 575605, 696785, 2647783, 13238915]

約数ペア:

[(1, 13238915), (5, 2647783), (19, 696785), (23, 575605), (73, 181355), (83, 159505), (95, 139357), (115, 115121), (365, 36271), (415, 31901), (437, 30295), (1387, 9545), (1577, 8395), (1679, 7885), (1909, 6935), (2185, 6059)]