18919062

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:622

約数の個数: 64

約数和(自身を含む): 45800640

約数和(自身を除く): 26881578

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 37, 51, 54, 74, 102, 111, 153, 222, 306, 333, 459, 557, 629, 666, 918, 999, 1114, 1258, 1671, 1887, 1998, 3342, 3774, 5013, 5661, 9469, 10026, 11322, 15039, 16983, 18938, 20609, 28407, 30078, 33966, 41218, 56814, 61827, 85221, 123654, 170442, 185481, 255663, 350353, 370962, 511326, 556443, 700706, 1051059, 1112886, 2102118, 3153177, 6306354, 9459531, 18919062]

約数ペア:

[(1, 18919062), (2, 9459531), (3, 6306354), (6, 3153177), (9, 2102118), (17, 1112886), (18, 1051059), (27, 700706), (34, 556443), (37, 511326), (51, 370962), (54, 350353), (74, 255663), (102, 185481), (111, 170442), (153, 123654), (222, 85221), (306, 61827), (333, 56814), (459, 41218), (557, 33966), (629, 30078), (666, 28407), (918, 20609), (999, 18938), (1114, 16983), (1258, 15039), (1671, 11322), (1887, 10026), (1998, 9469), (3342, 5661), (3774, 5013)]