20183415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 39690240

約数和(自身を除く): 19506825

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 67, 95, 105, 133, 151, 201, 285, 335, 399, 453, 469, 665, 755, 1005, 1057, 1273, 1407, 1995, 2265, 2345, 2869, 3171, 3819, 5285, 6365, 7035, 8607, 8911, 10117, 14345, 15855, 19095, 20083, 26733, 30351, 43035, 44555, 50585, 60249, 70819, 100415, 133665, 151755, 192223, 212457, 301245, 354095, 576669, 961115, 1062285, 1345561, 2883345, 4036683, 6727805, 20183415]

約数ペア:

[(1, 20183415), (3, 6727805), (5, 4036683), (7, 2883345), (15, 1345561), (19, 1062285), (21, 961115), (35, 576669), (57, 354095), (67, 301245), (95, 212457), (105, 192223), (133, 151755), (151, 133665), (201, 100415), (285, 70819), (335, 60249), (399, 50585), (453, 44555), (469, 43035), (665, 30351), (755, 26733), (1005, 20083), (1057, 19095), (1273, 15855), (1407, 14345), (1995, 10117), (2265, 8911), (2345, 8607), (2869, 7035), (3171, 6365), (3819, 5285)]