19035872

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 20880928

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 131, 152, 239, 262, 304, 478, 524, 608, 956, 1048, 1912, 2096, 2489, 3824, 4192, 4541, 4978, 7648, 9082, 9956, 18164, 19912, 31309, 36328, 39824, 62618, 72656, 79648, 125236, 145312, 250472, 500944, 594871, 1001888, 1189742, 2379484, 4758968, 9517936, 19035872]

約数ペア:

[(1, 19035872), (2, 9517936), (4, 4758968), (8, 2379484), (16, 1189742), (19, 1001888), (32, 594871), (38, 500944), (76, 250472), (131, 145312), (152, 125236), (239, 79648), (262, 72656), (304, 62618), (478, 39824), (524, 36328), (608, 31309), (956, 19912), (1048, 18164), (1912, 9956), (2096, 9082), (2489, 7648), (3824, 4978), (4192, 4541)]