19415625

素因数分解:

$3^1\times 5^5\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 34372800

約数和(自身を除く): 14957175

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 109, 125, 285, 327, 375, 475, 545, 625, 1425, 1635, 1875, 2071, 2375, 2725, 3125, 6213, 7125, 8175, 9375, 10355, 11875, 13625, 31065, 35625, 40875, 51775, 59375, 68125, 155325, 178125, 204375, 258875, 340625, 776625, 1021875, 1294375, 3883125, 6471875, 19415625]

約数ペア:

[(1, 19415625), (3, 6471875), (5, 3883125), (15, 1294375), (19, 1021875), (25, 776625), (57, 340625), (75, 258875), (95, 204375), (109, 178125), (125, 155325), (285, 68125), (327, 59375), (375, 51775), (475, 40875), (545, 35625), (625, 31065), (1425, 13625), (1635, 11875), (1875, 10355), (2071, 9375), (2375, 8175), (2725, 7125), (3125, 6213)]