19521660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{4457}}^1$

素因数の和:4542

約数の個数: 48

約数和(自身を含む): 55421856

約数和(自身を除く): 35900196

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, 4380, 4457, 8914, 13371, 17828, 22285, 26742, 44570, 53484, 66855, 89140, 133710, 267420, 325361, 650722, 976083, 1301444, 1626805, 1952166, 3253610, 3904332, 4880415, 6507220, 9760830, 19521660]

約数ペア:

[(1, 19521660), (2, 9760830), (3, 6507220), (4, 4880415), (5, 3904332), (6, 3253610), (10, 1952166), (12, 1626805), (15, 1301444), (20, 976083), (30, 650722), (60, 325361), (73, 267420), (146, 133710), (219, 89140), (292, 66855), (365, 53484), (438, 44570), (730, 26742), (876, 22285), (1095, 17828), (1460, 13371), (2190, 8914), (4380, 4457)]