18470375

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:153

約数の個数: 64

約数和(自身を含む): 30551040

約数和(自身を除く): 12080665

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 101, 125, 133, 175, 209, 275, 385, 475, 505, 665, 707, 875, 1045, 1111, 1375, 1463, 1919, 1925, 2375, 2525, 3325, 3535, 5225, 5555, 7315, 7777, 9595, 9625, 12625, 13433, 16625, 17675, 21109, 26125, 27775, 36575, 38885, 47975, 67165, 88375, 105545, 138875, 147763, 182875, 194425, 239875, 335825, 527725, 738815, 972125, 1679125, 2638625, 3694075, 18470375]

約数ペア:

[(1, 18470375), (5, 3694075), (7, 2638625), (11, 1679125), (19, 972125), (25, 738815), (35, 527725), (55, 335825), (77, 239875), (95, 194425), (101, 182875), (125, 147763), (133, 138875), (175, 105545), (209, 88375), (275, 67165), (385, 47975), (475, 38885), (505, 36575), (665, 27775), (707, 26125), (875, 21109), (1045, 17675), (1111, 16625), (1375, 13433), (1463, 12625), (1919, 9625), (1925, 9595), (2375, 7777), (2525, 7315), (3325, 5555), (3535, 5225)]