19740164

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{491}}^1$

素因数の和:560

約数の個数: 36

約数和(自身を含む): 38090640

約数和(自身を除く): 18350476

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 491, 529, 874, 982, 1058, 1748, 1964, 2116, 9329, 10051, 11293, 18658, 20102, 22586, 37316, 40204, 45172, 214567, 259739, 429134, 519478, 858268, 1038956, 4935041, 9870082, 19740164]

約数ペア:

[(1, 19740164), (2, 9870082), (4, 4935041), (19, 1038956), (23, 858268), (38, 519478), (46, 429134), (76, 259739), (92, 214567), (437, 45172), (491, 40204), (529, 37316), (874, 22586), (982, 20102), (1058, 18658), (1748, 11293), (1964, 10051), (2116, 9329)]