19140609

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 28016640

約数和(自身を除く): 8876031

約数列:

[1, 3, 29, 31, 47, 87, 93, 141, 151, 453, 899, 1363, 1457, 2697, 4089, 4371, 4379, 4681, 7097, 13137, 14043, 21291, 42253, 126759, 135749, 205813, 220007, 407247, 617439, 660021, 6380203, 19140609]

約数ペア:

[(1, 19140609), (3, 6380203), (29, 660021), (31, 617439), (47, 407247), (87, 220007), (93, 205813), (141, 135749), (151, 126759), (453, 42253), (899, 21291), (1363, 14043), (1457, 13137), (2697, 7097), (4089, 4681), (4371, 4379)]