18633370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 40538880

約数和(自身を除く): 21905510

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 67, 70, 134, 137, 145, 203, 274, 290, 335, 406, 469, 670, 685, 938, 959, 1015, 1370, 1918, 1943, 2030, 2345, 3886, 3973, 4690, 4795, 7946, 9179, 9590, 9715, 13601, 18358, 19430, 19865, 27202, 27811, 39730, 45895, 55622, 64253, 68005, 91790, 128506, 136010, 139055, 266191, 278110, 321265, 532382, 642530, 1330955, 1863337, 2661910, 3726674, 9316685, 18633370]

約数ペア:

[(1, 18633370), (2, 9316685), (5, 3726674), (7, 2661910), (10, 1863337), (14, 1330955), (29, 642530), (35, 532382), (58, 321265), (67, 278110), (70, 266191), (134, 139055), (137, 136010), (145, 128506), (203, 91790), (274, 68005), (290, 64253), (335, 55622), (406, 45895), (469, 39730), (670, 27811), (685, 27202), (938, 19865), (959, 19430), (1015, 18358), (1370, 13601), (1918, 9715), (1943, 9590), (2030, 9179), (2345, 7946), (3886, 4795), (3973, 4690)]