18785008

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:374

約数の個数: 60

約数和(自身を含む): 41427904

約数和(自身を除く): 22642896

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 121, 124, 176, 242, 248, 313, 341, 484, 496, 626, 682, 968, 1252, 1364, 1936, 2504, 2728, 3443, 3751, 5008, 5456, 6886, 7502, 9703, 13772, 15004, 19406, 27544, 30008, 37873, 38812, 55088, 60016, 75746, 77624, 106733, 151492, 155248, 213466, 302984, 426932, 605968, 853864, 1174063, 1707728, 2348126, 4696252, 9392504, 18785008]

約数ペア:

[(1, 18785008), (2, 9392504), (4, 4696252), (8, 2348126), (11, 1707728), (16, 1174063), (22, 853864), (31, 605968), (44, 426932), (62, 302984), (88, 213466), (121, 155248), (124, 151492), (176, 106733), (242, 77624), (248, 75746), (313, 60016), (341, 55088), (484, 38812), (496, 37873), (626, 30008), (682, 27544), (968, 19406), (1252, 15004), (1364, 13772), (1936, 9703), (2504, 7502), (2728, 6886), (3443, 5456), (3751, 5008)]