18478450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 36961920

約数和(自身を除く): 18483470

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 53, 95, 106, 190, 265, 367, 475, 530, 734, 950, 1007, 1325, 1835, 2014, 2650, 3670, 5035, 6973, 9175, 10070, 13946, 18350, 19451, 25175, 34865, 38902, 50350, 69730, 97255, 174325, 194510, 348650, 369569, 486275, 739138, 972550, 1847845, 3695690, 9239225, 18478450]

約数ペア:

[(1, 18478450), (2, 9239225), (5, 3695690), (10, 1847845), (19, 972550), (25, 739138), (38, 486275), (50, 369569), (53, 348650), (95, 194510), (106, 174325), (190, 97255), (265, 69730), (367, 50350), (475, 38902), (530, 34865), (734, 25175), (950, 19451), (1007, 18350), (1325, 13946), (1835, 10070), (2014, 9175), (2650, 6973), (3670, 5035)]