18749916

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:411

約数の個数: 72

約数和(自身を含む): 50004864

約数和(自身を除く): 31254948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 53, 62, 93, 106, 124, 159, 186, 212, 279, 317, 318, 372, 477, 558, 634, 636, 951, 954, 1116, 1268, 1643, 1902, 1908, 2853, 3286, 3804, 4929, 5706, 6572, 9827, 9858, 11412, 14787, 16801, 19654, 19716, 29481, 29574, 33602, 39308, 50403, 58962, 59148, 67204, 88443, 100806, 117924, 151209, 176886, 201612, 302418, 353772, 520831, 604836, 1041662, 1562493, 2083324, 3124986, 4687479, 6249972, 9374958, 18749916]

約数ペア:

[(1, 18749916), (2, 9374958), (3, 6249972), (4, 4687479), (6, 3124986), (9, 2083324), (12, 1562493), (18, 1041662), (31, 604836), (36, 520831), (53, 353772), (62, 302418), (93, 201612), (106, 176886), (124, 151209), (159, 117924), (186, 100806), (212, 88443), (279, 67204), (317, 59148), (318, 58962), (372, 50403), (477, 39308), (558, 33602), (634, 29574), (636, 29481), (951, 19716), (954, 19654), (1116, 16801), (1268, 14787), (1643, 11412), (1902, 9858), (1908, 9827), (2853, 6572), (3286, 5706), (3804, 4929)]