11721816

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{2293}}^1$

素因数の和:2376

約数の個数: 48

約数和(自身を含む): 32207760

約数和(自身を除く): 20485944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2293, 2556, 4586, 5112, 6879, 9172, 13758, 18344, 20637, 27516, 41274, 55032, 82548, 162803, 165096, 325606, 488409, 651212, 976818, 1302424, 1465227, 1953636, 2930454, 3907272, 5860908, 11721816]

約数ペア:

[(1, 11721816), (2, 5860908), (3, 3907272), (4, 2930454), (6, 1953636), (8, 1465227), (9, 1302424), (12, 976818), (18, 651212), (24, 488409), (36, 325606), (71, 165096), (72, 162803), (142, 82548), (213, 55032), (284, 41274), (426, 27516), (568, 20637), (639, 18344), (852, 13758), (1278, 9172), (1704, 6879), (2293, 5112), (2556, 4586)]