18630716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 37514400

約数和(自身を除く): 18883684

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 109, 173, 218, 247, 346, 436, 494, 692, 988, 1417, 2071, 2249, 2834, 3287, 4142, 4498, 5668, 6574, 8284, 8996, 13148, 18857, 26923, 37714, 42731, 53846, 75428, 85462, 107692, 170924, 245141, 358283, 490282, 716566, 980564, 1433132, 4657679, 9315358, 18630716]

約数ペア:

[(1, 18630716), (2, 9315358), (4, 4657679), (13, 1433132), (19, 980564), (26, 716566), (38, 490282), (52, 358283), (76, 245141), (109, 170924), (173, 107692), (218, 85462), (247, 75428), (346, 53846), (436, 42731), (494, 37714), (692, 26923), (988, 18857), (1417, 13148), (2071, 8996), (2249, 8284), (2834, 6574), (3287, 5668), (4142, 4498)]