19898267584

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{327619}}^1$

素因数の和:327717

約数の個数: 56

約数和(自身を含む): 43105618640

約数和(自身を除く): 23207351056

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 73, 104, 146, 208, 292, 416, 584, 832, 949, 1168, 1898, 2336, 3796, 4672, 7592, 15184, 30368, 60736, 327619, 655238, 1310476, 2620952, 4259047, 5241904, 8518094, 10483808, 17036188, 20967616, 23916187, 34072376, 47832374, 68144752, 95664748, 136289504, 191329496, 272579008, 310910431, 382658992, 621820862, 765317984, 1243641724, 1530635968, 2487283448, 4974566896, 9949133792, 19898267584]

約数ペア:

[(1, 19898267584), (2, 9949133792), (4, 4974566896), (8, 2487283448), (13, 1530635968), (16, 1243641724), (26, 765317984), (32, 621820862), (52, 382658992), (64, 310910431), (73, 272579008), (104, 191329496), (146, 136289504), (208, 95664748), (292, 68144752), (416, 47832374), (584, 34072376), (832, 23916187), (949, 20967616), (1168, 17036188), (1898, 10483808), (2336, 8518094), (3796, 5241904), (4672, 4259047), (7592, 2620952), (15184, 1310476), (30368, 655238), (60736, 327619)]