19269978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1217}}^1$

素因数の和:1271

約数の個数: 64

約数和(自身を含む): 49109760

約数和(自身を除く): 29839782

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 39, 42, 58, 78, 87, 91, 174, 182, 203, 273, 377, 406, 546, 609, 754, 1131, 1217, 1218, 2262, 2434, 2639, 3651, 5278, 7302, 7917, 8519, 15821, 15834, 17038, 25557, 31642, 35293, 47463, 51114, 70586, 94926, 105879, 110747, 211758, 221494, 247051, 332241, 458809, 494102, 664482, 741153, 917618, 1376427, 1482306, 2752854, 3211663, 6423326, 9634989, 19269978]

約数ペア:

[(1, 19269978), (2, 9634989), (3, 6423326), (6, 3211663), (7, 2752854), (13, 1482306), (14, 1376427), (21, 917618), (26, 741153), (29, 664482), (39, 494102), (42, 458809), (58, 332241), (78, 247051), (87, 221494), (91, 211758), (174, 110747), (182, 105879), (203, 94926), (273, 70586), (377, 51114), (406, 47463), (546, 35293), (609, 31642), (754, 25557), (1131, 17038), (1217, 15834), (1218, 15821), (2262, 8519), (2434, 7917), (2639, 7302), (3651, 5278)]