18741736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{587}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 38031840

約数和(自身を除く): 19290104

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 307, 587, 614, 1174, 1228, 2348, 2456, 3991, 4696, 7631, 7982, 15262, 15964, 30524, 31928, 61048, 180209, 360418, 720836, 1441672, 2342717, 4685434, 9370868, 18741736]

約数ペア:

[(1, 18741736), (2, 9370868), (4, 4685434), (8, 2342717), (13, 1441672), (26, 720836), (52, 360418), (104, 180209), (307, 61048), (587, 31928), (614, 30524), (1174, 15964), (1228, 15262), (2348, 7982), (2456, 7631), (3991, 4696)]