19121625

素因数分解:

$3^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{739}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 36017280

約数和(自身を除く): 16895655

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 125, 207, 225, 345, 375, 575, 739, 1035, 1125, 1725, 2217, 2875, 3695, 5175, 6651, 8625, 11085, 16997, 18475, 25875, 33255, 50991, 55425, 84985, 92375, 152973, 166275, 254955, 277125, 424925, 764865, 831375, 1274775, 2124625, 3824325, 6373875, 19121625]

約数ペア:

[(1, 19121625), (3, 6373875), (5, 3824325), (9, 2124625), (15, 1274775), (23, 831375), (25, 764865), (45, 424925), (69, 277125), (75, 254955), (115, 166275), (125, 152973), (207, 92375), (225, 84985), (345, 55425), (375, 50991), (575, 33255), (739, 25875), (1035, 18475), (1125, 16997), (1725, 11085), (2217, 8625), (2875, 6651), (3695, 5175)]