18968950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 47496960

約数和(自身を除く): 28528010

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 25, 26, 35, 50, 55, 65, 70, 77, 91, 110, 130, 143, 154, 175, 182, 275, 286, 325, 350, 379, 385, 455, 550, 650, 715, 758, 770, 910, 1001, 1430, 1895, 1925, 2002, 2275, 2653, 3575, 3790, 3850, 4169, 4550, 4927, 5005, 5306, 7150, 8338, 9475, 9854, 10010, 13265, 18950, 20845, 24635, 25025, 26530, 29183, 34489, 41690, 49270, 50050, 54197, 58366, 66325, 68978, 104225, 108394, 123175, 132650, 145915, 172445, 208450, 246350, 270985, 291830, 344890, 379379, 541970, 729575, 758758, 862225, 1354925, 1459150, 1724450, 1896895, 2709850, 3793790, 9484475, 18968950]

約数ペア:

[(1, 18968950), (2, 9484475), (5, 3793790), (7, 2709850), (10, 1896895), (11, 1724450), (13, 1459150), (14, 1354925), (22, 862225), (25, 758758), (26, 729575), (35, 541970), (50, 379379), (55, 344890), (65, 291830), (70, 270985), (77, 246350), (91, 208450), (110, 172445), (130, 145915), (143, 132650), (154, 123175), (175, 108394), (182, 104225), (275, 68978), (286, 66325), (325, 58366), (350, 54197), (379, 50050), (385, 49270), (455, 41690), (550, 34489), (650, 29183), (715, 26530), (758, 25025), (770, 24635), (910, 20845), (1001, 18950), (1430, 13265), (1895, 10010), (1925, 9854), (2002, 9475), (2275, 8338), (2653, 7150), (3575, 5306), (3790, 5005), (3850, 4927), (4169, 4550)]