19136990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2143}}^1$

素因数の和:2216

約数の個数: 32

約数和(自身を含む): 37048320

約数和(自身を除く): 17911330

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 2143, 4286, 4465, 8930, 10715, 21430, 40717, 81434, 100721, 201442, 203585, 407170, 503605, 1007210, 1913699, 3827398, 9568495, 19136990]

約数ペア:

[(1, 19136990), (2, 9568495), (5, 3827398), (10, 1913699), (19, 1007210), (38, 503605), (47, 407170), (94, 203585), (95, 201442), (190, 100721), (235, 81434), (470, 40717), (893, 21430), (1786, 10715), (2143, 8930), (4286, 4465)]