19145268

素因数分解:

$2^2\times 3^3\times {\mathrm{269}}^1\times {\mathrm{659}}^1$

素因数の和:941

約数の個数: 48

約数和(自身を含む): 49896000

約数和(自身を除く): 30750732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 269, 538, 659, 807, 1076, 1318, 1614, 1977, 2421, 2636, 3228, 3954, 4842, 5931, 7263, 7908, 9684, 11862, 14526, 17793, 23724, 29052, 35586, 71172, 177271, 354542, 531813, 709084, 1063626, 1595439, 2127252, 3190878, 4786317, 6381756, 9572634, 19145268]

約数ペア:

[(1, 19145268), (2, 9572634), (3, 6381756), (4, 4786317), (6, 3190878), (9, 2127252), (12, 1595439), (18, 1063626), (27, 709084), (36, 531813), (54, 354542), (108, 177271), (269, 71172), (538, 35586), (659, 29052), (807, 23724), (1076, 17793), (1318, 14526), (1614, 11862), (1977, 9684), (2421, 7908), (2636, 7263), (3228, 5931), (3954, 4842)]