18706980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4271}}^1$

素因数の和:4356

約数の個数: 48

約数和(自身を含む): 53109504

約数和(自身を除く): 34402524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4271, 4380, 8542, 12813, 17084, 21355, 25626, 42710, 51252, 64065, 85420, 128130, 256260, 311783, 623566, 935349, 1247132, 1558915, 1870698, 3117830, 3741396, 4676745, 6235660, 9353490, 18706980]

約数ペア:

[(1, 18706980), (2, 9353490), (3, 6235660), (4, 4676745), (5, 3741396), (6, 3117830), (10, 1870698), (12, 1558915), (15, 1247132), (20, 935349), (30, 623566), (60, 311783), (73, 256260), (146, 128130), (219, 85420), (292, 64065), (365, 51252), (438, 42710), (730, 25626), (876, 21355), (1095, 17084), (1460, 12813), (2190, 8542), (4271, 4380)]