19962474825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{81973}}^1$

素因数の和:82194

約数の個数: 48

約数和(自身を含む): 35129465856

約数和(自身を除く): 15166991031

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 191, 255, 425, 573, 955, 1275, 2865, 3247, 4775, 9741, 14325, 16235, 48705, 81175, 81973, 243525, 245919, 409865, 1229595, 1393541, 2049325, 4180623, 6147975, 6967705, 15656843, 20903115, 34838525, 46970529, 78284215, 104515575, 234852645, 266166331, 391421075, 798498993, 1174263225, 1330831655, 3992494965, 6654158275, 19962474825]

約数ペア:

[(1, 19962474825), (3, 6654158275), (5, 3992494965), (15, 1330831655), (17, 1174263225), (25, 798498993), (51, 391421075), (75, 266166331), (85, 234852645), (191, 104515575), (255, 78284215), (425, 46970529), (573, 34838525), (955, 20903115), (1275, 15656843), (2865, 6967705), (3247, 6147975), (4775, 4180623), (9741, 2049325), (14325, 1393541), (16235, 1229595), (48705, 409865), (81175, 245919), (81973, 243525)]