19251610

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:511

約数の個数: 48

約数和(自身を含む): 40814280

約数和(自身を除く): 21562670

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 101, 202, 245, 389, 490, 505, 707, 778, 1010, 1414, 1945, 2723, 3535, 3890, 4949, 5446, 7070, 9898, 13615, 19061, 24745, 27230, 38122, 39289, 49490, 78578, 95305, 190610, 196445, 275023, 392890, 550046, 1375115, 1925161, 2750230, 3850322, 9625805, 19251610]

約数ペア:

[(1, 19251610), (2, 9625805), (5, 3850322), (7, 2750230), (10, 1925161), (14, 1375115), (35, 550046), (49, 392890), (70, 275023), (98, 196445), (101, 190610), (202, 95305), (245, 78578), (389, 49490), (490, 39289), (505, 38122), (707, 27230), (778, 24745), (1010, 19061), (1414, 13615), (1945, 9898), (2723, 7070), (3535, 5446), (3890, 4949)]