18935048

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 40346880

約数和(自身を除く): 21411832

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 121, 124, 242, 248, 341, 484, 631, 682, 968, 1262, 1364, 2524, 2728, 3751, 5048, 6941, 7502, 13882, 15004, 19561, 27764, 30008, 39122, 55528, 76351, 78244, 152702, 156488, 215171, 305404, 430342, 610808, 860684, 1721368, 2366881, 4733762, 9467524, 18935048]

約数ペア:

[(1, 18935048), (2, 9467524), (4, 4733762), (8, 2366881), (11, 1721368), (22, 860684), (31, 610808), (44, 430342), (62, 305404), (88, 215171), (121, 156488), (124, 152702), (242, 78244), (248, 76351), (341, 55528), (484, 39122), (631, 30008), (682, 27764), (968, 19561), (1262, 15004), (1364, 13882), (2524, 7502), (2728, 6941), (3751, 5048)]