18843140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 42284592

約数和(自身を除く): 23441452

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 314, 340, 353, 628, 706, 785, 1412, 1570, 1765, 2669, 3140, 3530, 5338, 6001, 7060, 10676, 12002, 13345, 24004, 26690, 30005, 53380, 55421, 60010, 110842, 120020, 221684, 277105, 554210, 942157, 1108420, 1884314, 3768628, 4710785, 9421570, 18843140]

約数ペア:

[(1, 18843140), (2, 9421570), (4, 4710785), (5, 3768628), (10, 1884314), (17, 1108420), (20, 942157), (34, 554210), (68, 277105), (85, 221684), (157, 120020), (170, 110842), (314, 60010), (340, 55421), (353, 53380), (628, 30005), (706, 26690), (785, 24004), (1412, 13345), (1570, 12002), (1765, 10676), (2669, 7060), (3140, 6001), (3530, 5338)]