19107756

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:571

約数の個数: 72

約数和(自身を含む): 51577344

約数和(自身を除く): 32469588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 47, 69, 92, 94, 138, 141, 188, 207, 276, 282, 414, 423, 491, 564, 828, 846, 982, 1081, 1473, 1692, 1964, 2162, 2946, 3243, 4324, 4419, 5892, 6486, 8838, 9729, 11293, 12972, 17676, 19458, 22586, 23077, 33879, 38916, 45172, 46154, 67758, 69231, 92308, 101637, 135516, 138462, 203274, 207693, 276924, 406548, 415386, 530771, 830772, 1061542, 1592313, 2123084, 3184626, 4776939, 6369252, 9553878, 19107756]

約数ペア:

[(1, 19107756), (2, 9553878), (3, 6369252), (4, 4776939), (6, 3184626), (9, 2123084), (12, 1592313), (18, 1061542), (23, 830772), (36, 530771), (46, 415386), (47, 406548), (69, 276924), (92, 207693), (94, 203274), (138, 138462), (141, 135516), (188, 101637), (207, 92308), (276, 69231), (282, 67758), (414, 46154), (423, 45172), (491, 38916), (564, 33879), (828, 23077), (846, 22586), (982, 19458), (1081, 17676), (1473, 12972), (1692, 11293), (1964, 9729), (2162, 8838), (2946, 6486), (3243, 5892), (4324, 4419)]