18945752

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2843}}^1$

素因数の和:2880

約数の個数: 48

約数和(自身を含む): 43769160

約数和(自身を除く): 24823408

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 392, 476, 833, 952, 1666, 2843, 3332, 5686, 6664, 11372, 19901, 22744, 39802, 48331, 79604, 96662, 139307, 159208, 193324, 278614, 338317, 386648, 557228, 676634, 1114456, 1353268, 2368219, 2706536, 4736438, 9472876, 18945752]

約数ペア:

[(1, 18945752), (2, 9472876), (4, 4736438), (7, 2706536), (8, 2368219), (14, 1353268), (17, 1114456), (28, 676634), (34, 557228), (49, 386648), (56, 338317), (68, 278614), (98, 193324), (119, 159208), (136, 139307), (196, 96662), (238, 79604), (392, 48331), (476, 39802), (833, 22744), (952, 19901), (1666, 11372), (2843, 6664), (3332, 5686)]