19651005

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{401}}^1$

素因数の和:440

約数の個数: 60

約数和(自身を含む): 38816316

約数和(自身を除く): 19165311

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 121, 135, 165, 297, 363, 401, 405, 495, 605, 891, 1089, 1203, 1485, 1815, 2005, 3267, 3609, 4411, 4455, 5445, 6015, 9801, 10827, 13233, 16335, 18045, 22055, 32481, 39699, 48521, 49005, 54135, 66165, 119097, 145563, 162405, 198495, 242605, 357291, 436689, 595485, 727815, 1310067, 1786455, 2183445, 3930201, 6550335, 19651005]

約数ペア:

[(1, 19651005), (3, 6550335), (5, 3930201), (9, 2183445), (11, 1786455), (15, 1310067), (27, 727815), (33, 595485), (45, 436689), (55, 357291), (81, 242605), (99, 198495), (121, 162405), (135, 145563), (165, 119097), (297, 66165), (363, 54135), (401, 49005), (405, 48521), (495, 39699), (605, 32481), (891, 22055), (1089, 18045), (1203, 16335), (1485, 13233), (1815, 10827), (2005, 9801), (3267, 6015), (3609, 5445), (4411, 4455)]