19276980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18899}}^1$

素因数の和:18928

約数の個数: 48

約数和(自身を含む): 57153600

約数和(自身を除く): 37876620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 18899, 37798, 56697, 75596, 94495, 113394, 188990, 226788, 283485, 321283, 377980, 566970, 642566, 963849, 1133940, 1285132, 1606415, 1927698, 3212830, 3855396, 4819245, 6425660, 9638490, 19276980]

約数ペア:

[(1, 19276980), (2, 9638490), (3, 6425660), (4, 4819245), (5, 3855396), (6, 3212830), (10, 1927698), (12, 1606415), (15, 1285132), (17, 1133940), (20, 963849), (30, 642566), (34, 566970), (51, 377980), (60, 321283), (68, 283485), (85, 226788), (102, 188990), (170, 113394), (204, 94495), (255, 75596), (340, 56697), (510, 37798), (1020, 18899)]