19995848

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1091}}^1$

素因数の和:1205

約数の個数: 32

約数和(自身を含む): 39312000

約数和(自身を除く): 19316152

約数列:

[1, 2, 4, 8, 29, 58, 79, 116, 158, 232, 316, 632, 1091, 2182, 2291, 4364, 4582, 8728, 9164, 18328, 31639, 63278, 86189, 126556, 172378, 253112, 344756, 689512, 2499481, 4998962, 9997924, 19995848]

約数ペア:

[(1, 19995848), (2, 9997924), (4, 4998962), (8, 2499481), (29, 689512), (58, 344756), (79, 253112), (116, 172378), (158, 126556), (232, 86189), (316, 63278), (632, 31639), (1091, 18328), (2182, 9164), (2291, 8728), (4364, 4582)]