19702512

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{2243}}^1$

素因数の和:2318

約数の個数: 60

約数和(自身を含む): 56068584

約数和(自身を除く): 36366072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2196, 2243, 2928, 4392, 4486, 6729, 8784, 8972, 13458, 17944, 20187, 26916, 35888, 40374, 53832, 80748, 107664, 136823, 161496, 273646, 322992, 410469, 547292, 820938, 1094584, 1231407, 1641876, 2189168, 2462814, 3283752, 4925628, 6567504, 9851256, 19702512]

約数ペア:

[(1, 19702512), (2, 9851256), (3, 6567504), (4, 4925628), (6, 3283752), (8, 2462814), (9, 2189168), (12, 1641876), (16, 1231407), (18, 1094584), (24, 820938), (36, 547292), (48, 410469), (61, 322992), (72, 273646), (122, 161496), (144, 136823), (183, 107664), (244, 80748), (366, 53832), (488, 40374), (549, 35888), (732, 26916), (976, 20187), (1098, 17944), (1464, 13458), (2196, 8972), (2243, 8784), (2928, 6729), (4392, 4486)]