18507356

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{659}}^1$

素因数の和:746

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 21409444

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 59, 68, 118, 119, 236, 238, 413, 476, 659, 826, 1003, 1318, 1652, 2006, 2636, 4012, 4613, 7021, 9226, 11203, 14042, 18452, 22406, 28084, 38881, 44812, 77762, 78421, 155524, 156842, 272167, 313684, 544334, 660977, 1088668, 1321954, 2643908, 4626839, 9253678, 18507356]

約数ペア:

[(1, 18507356), (2, 9253678), (4, 4626839), (7, 2643908), (14, 1321954), (17, 1088668), (28, 660977), (34, 544334), (59, 313684), (68, 272167), (118, 156842), (119, 155524), (236, 78421), (238, 77762), (413, 44812), (476, 38881), (659, 28084), (826, 22406), (1003, 18452), (1318, 14042), (1652, 11203), (2006, 9226), (2636, 7021), (4012, 4613)]