19491010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1489}}^1$

素因数の和:1531

約数の個数: 64

約数和(自身を含む): 46344960

約数和(自身を除く): 26853950

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 595, 770, 935, 1190, 1309, 1489, 1870, 2618, 2978, 6545, 7445, 10423, 13090, 14890, 16379, 20846, 25313, 32758, 50626, 52115, 81895, 104230, 114653, 126565, 163790, 177191, 229306, 253130, 278443, 354382, 556886, 573265, 885955, 1146530, 1392215, 1771910, 1949101, 2784430, 3898202, 9745505, 19491010]

約数ペア:

[(1, 19491010), (2, 9745505), (5, 3898202), (7, 2784430), (10, 1949101), (11, 1771910), (14, 1392215), (17, 1146530), (22, 885955), (34, 573265), (35, 556886), (55, 354382), (70, 278443), (77, 253130), (85, 229306), (110, 177191), (119, 163790), (154, 126565), (170, 114653), (187, 104230), (238, 81895), (374, 52115), (385, 50626), (595, 32758), (770, 25313), (935, 20846), (1190, 16379), (1309, 14890), (1489, 13090), (1870, 10423), (2618, 7445), (2978, 6545)]