18629620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 41806800

約数和(自身を除く): 23177180

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 157, 170, 314, 340, 349, 628, 698, 785, 1396, 1570, 1745, 2669, 3140, 3490, 5338, 5933, 6980, 10676, 11866, 13345, 23732, 26690, 29665, 53380, 54793, 59330, 109586, 118660, 219172, 273965, 547930, 931481, 1095860, 1862962, 3725924, 4657405, 9314810, 18629620]

約数ペア:

[(1, 18629620), (2, 9314810), (4, 4657405), (5, 3725924), (10, 1862962), (17, 1095860), (20, 931481), (34, 547930), (68, 273965), (85, 219172), (157, 118660), (170, 109586), (314, 59330), (340, 54793), (349, 53380), (628, 29665), (698, 26690), (785, 23732), (1396, 13345), (1570, 11866), (1745, 10676), (2669, 6980), (3140, 5933), (3490, 5338)]