19694298

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 45440640

約数和(自身を除く): 25746342

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 97, 114, 137, 194, 247, 274, 291, 411, 494, 582, 741, 822, 1261, 1482, 1781, 1843, 2522, 2603, 3562, 3686, 3783, 5206, 5343, 5529, 7566, 7809, 10686, 11058, 13289, 15618, 23959, 26578, 33839, 39867, 47918, 67678, 71877, 79734, 101517, 143754, 172757, 203034, 252491, 345514, 504982, 518271, 757473, 1036542, 1514946, 3282383, 6564766, 9847149, 19694298]

約数ペア:

[(1, 19694298), (2, 9847149), (3, 6564766), (6, 3282383), (13, 1514946), (19, 1036542), (26, 757473), (38, 518271), (39, 504982), (57, 345514), (78, 252491), (97, 203034), (114, 172757), (137, 143754), (194, 101517), (247, 79734), (274, 71877), (291, 67678), (411, 47918), (494, 39867), (582, 33839), (741, 26578), (822, 23959), (1261, 15618), (1482, 13289), (1781, 11058), (1843, 10686), (2522, 7809), (2603, 7566), (3562, 5529), (3686, 5343), (3783, 5206)]