18574875

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 96

約数和(自身を含む): 38937600

約数和(自身を除く): 20362725

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 33, 45, 55, 57, 75, 79, 95, 99, 125, 165, 171, 209, 225, 237, 275, 285, 375, 395, 475, 495, 627, 711, 825, 855, 869, 1045, 1125, 1185, 1375, 1425, 1501, 1881, 1975, 2375, 2475, 2607, 3135, 3555, 4125, 4275, 4345, 4503, 5225, 5925, 7125, 7505, 7821, 9405, 9875, 12375, 13035, 13509, 15675, 16511, 17775, 21375, 21725, 22515, 26125, 29625, 37525, 39105, 47025, 49533, 65175, 67545, 78375, 82555, 88875, 108625, 112575, 148599, 187625, 195525, 235125, 247665, 325875, 337725, 412775, 562875, 742995, 977625, 1238325, 1688625, 2063875, 3714975, 6191625, 18574875]

約数ペア:

[(1, 18574875), (3, 6191625), (5, 3714975), (9, 2063875), (11, 1688625), (15, 1238325), (19, 977625), (25, 742995), (33, 562875), (45, 412775), (55, 337725), (57, 325875), (75, 247665), (79, 235125), (95, 195525), (99, 187625), (125, 148599), (165, 112575), (171, 108625), (209, 88875), (225, 82555), (237, 78375), (275, 67545), (285, 65175), (375, 49533), (395, 47025), (475, 39105), (495, 37525), (627, 29625), (711, 26125), (825, 22515), (855, 21725), (869, 21375), (1045, 17775), (1125, 16511), (1185, 15675), (1375, 13509), (1425, 13035), (1501, 12375), (1881, 9875), (1975, 9405), (2375, 7821), (2475, 7505), (2607, 7125), (3135, 5925), (3555, 5225), (4125, 4503), (4275, 4345)]