19567425

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 34819200

約数和(自身を除く): 15251775

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 103, 149, 255, 309, 425, 447, 515, 745, 1275, 1545, 1751, 2235, 2533, 2575, 3725, 5253, 7599, 7725, 8755, 11175, 12665, 15347, 26265, 37995, 43775, 46041, 63325, 76735, 131325, 189975, 230205, 260899, 383675, 782697, 1151025, 1304495, 3913485, 6522475, 19567425]

約数ペア:

[(1, 19567425), (3, 6522475), (5, 3913485), (15, 1304495), (17, 1151025), (25, 782697), (51, 383675), (75, 260899), (85, 230205), (103, 189975), (149, 131325), (255, 76735), (309, 63325), (425, 46041), (447, 43775), (515, 37995), (745, 26265), (1275, 15347), (1545, 12665), (1751, 11175), (2235, 8755), (2533, 7725), (2575, 7599), (3725, 5253)]