18921336

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{67}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 56238720

約数和(自身を除く): 37317384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 67, 82, 84, 123, 134, 164, 168, 201, 246, 268, 287, 328, 402, 469, 492, 536, 574, 804, 861, 938, 984, 1148, 1407, 1608, 1681, 1722, 1876, 2296, 2747, 2814, 3362, 3444, 3752, 5043, 5494, 5628, 6724, 6888, 8241, 10086, 10988, 11256, 11767, 13448, 16482, 19229, 20172, 21976, 23534, 32964, 35301, 38458, 40344, 47068, 57687, 65928, 70602, 76916, 94136, 112627, 115374, 141204, 153832, 225254, 230748, 282408, 337881, 450508, 461496, 675762, 788389, 901016, 1351524, 1576778, 2365167, 2703048, 3153556, 4730334, 6307112, 9460668, 18921336]

約数ペア:

[(1, 18921336), (2, 9460668), (3, 6307112), (4, 4730334), (6, 3153556), (7, 2703048), (8, 2365167), (12, 1576778), (14, 1351524), (21, 901016), (24, 788389), (28, 675762), (41, 461496), (42, 450508), (56, 337881), (67, 282408), (82, 230748), (84, 225254), (123, 153832), (134, 141204), (164, 115374), (168, 112627), (201, 94136), (246, 76916), (268, 70602), (287, 65928), (328, 57687), (402, 47068), (469, 40344), (492, 38458), (536, 35301), (574, 32964), (804, 23534), (861, 21976), (938, 20172), (984, 19229), (1148, 16482), (1407, 13448), (1608, 11767), (1681, 11256), (1722, 10988), (1876, 10086), (2296, 8241), (2747, 6888), (2814, 6724), (3362, 5628), (3444, 5494), (3752, 5043)]