19456316

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:746

約数の個数: 36

約数和(自身を含む): 38096520

約数和(自身を除く): 18640204

約数列:

[1, 2, 4, 11, 22, 44, 61, 121, 122, 242, 244, 484, 659, 671, 1318, 1342, 2636, 2684, 7249, 7381, 14498, 14762, 28996, 29524, 40199, 79739, 80398, 159478, 160796, 318956, 442189, 884378, 1768756, 4864079, 9728158, 19456316]

約数ペア:

[(1, 19456316), (2, 9728158), (4, 4864079), (11, 1768756), (22, 884378), (44, 442189), (61, 318956), (121, 160796), (122, 159478), (242, 80398), (244, 79739), (484, 40199), (659, 29524), (671, 28996), (1318, 14762), (1342, 14498), (2636, 7381), (2684, 7249)]