19879184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3083}}^1$

素因数の和:3135

約数の個数: 40

約数和(自身を含む): 42830592

約数和(自身を除く): 22951408

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3083, 3224, 6166, 6448, 12332, 24664, 40079, 49328, 80158, 95573, 160316, 191146, 320632, 382292, 641264, 764584, 1242449, 1529168, 2484898, 4969796, 9939592, 19879184]

約数ペア:

[(1, 19879184), (2, 9939592), (4, 4969796), (8, 2484898), (13, 1529168), (16, 1242449), (26, 764584), (31, 641264), (52, 382292), (62, 320632), (104, 191146), (124, 160316), (208, 95573), (248, 80158), (403, 49328), (496, 40079), (806, 24664), (1612, 12332), (3083, 6448), (3224, 6166)]