18911256

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1237}}^1$

素因数の和:1273

約数の個数: 96

約数和(自身を含む): 59275440

約数和(自身を除く): 40364184

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 49, 52, 56, 78, 84, 91, 98, 104, 147, 156, 168, 182, 196, 273, 294, 312, 364, 392, 546, 588, 637, 728, 1092, 1176, 1237, 1274, 1911, 2184, 2474, 2548, 3711, 3822, 4948, 5096, 7422, 7644, 8659, 9896, 14844, 15288, 16081, 17318, 25977, 29688, 32162, 34636, 48243, 51954, 60613, 64324, 69272, 96486, 103908, 112567, 121226, 128648, 181839, 192972, 207816, 225134, 242452, 337701, 363678, 385944, 450268, 484904, 675402, 727356, 787969, 900536, 1350804, 1454712, 1575938, 2363907, 2701608, 3151876, 4727814, 6303752, 9455628, 18911256]

約数ペア:

[(1, 18911256), (2, 9455628), (3, 6303752), (4, 4727814), (6, 3151876), (7, 2701608), (8, 2363907), (12, 1575938), (13, 1454712), (14, 1350804), (21, 900536), (24, 787969), (26, 727356), (28, 675402), (39, 484904), (42, 450268), (49, 385944), (52, 363678), (56, 337701), (78, 242452), (84, 225134), (91, 207816), (98, 192972), (104, 181839), (147, 128648), (156, 121226), (168, 112567), (182, 103908), (196, 96486), (273, 69272), (294, 64324), (312, 60613), (364, 51954), (392, 48243), (546, 34636), (588, 32162), (637, 29688), (728, 25977), (1092, 17318), (1176, 16081), (1237, 15288), (1274, 14844), (1911, 9896), (2184, 8659), (2474, 7644), (2548, 7422), (3711, 5096), (3822, 4948)]