18851144

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4421}}^1$

素因数の和:4481

約数の個数: 32

約数和(自身を含む): 39002040

約数和(自身を除く): 20150896

約数列:

[1, 2, 4, 8, 13, 26, 41, 52, 82, 104, 164, 328, 533, 1066, 2132, 4264, 4421, 8842, 17684, 35368, 57473, 114946, 181261, 229892, 362522, 459784, 725044, 1450088, 2356393, 4712786, 9425572, 18851144]

約数ペア:

[(1, 18851144), (2, 9425572), (4, 4712786), (8, 2356393), (13, 1450088), (26, 725044), (41, 459784), (52, 362522), (82, 229892), (104, 181261), (164, 114946), (328, 57473), (533, 35368), (1066, 17684), (2132, 8842), (4264, 4421)]