18977882

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{659}}^1$

素因数の和:707

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 18943078

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 121, 154, 187, 238, 242, 374, 659, 847, 1309, 1318, 1694, 2057, 2618, 4114, 4613, 7249, 9226, 11203, 14399, 14498, 22406, 28798, 50743, 78421, 79739, 101486, 123233, 156842, 159478, 246466, 558173, 862631, 1116346, 1355563, 1725262, 2711126, 9488941, 18977882]

約数ペア:

[(1, 18977882), (2, 9488941), (7, 2711126), (11, 1725262), (14, 1355563), (17, 1116346), (22, 862631), (34, 558173), (77, 246466), (119, 159478), (121, 156842), (154, 123233), (187, 101486), (238, 79739), (242, 78421), (374, 50743), (659, 28798), (847, 22406), (1309, 14498), (1318, 14399), (1694, 11203), (2057, 9226), (2618, 7249), (4114, 4613)]