18388125

素因数分解:

$3^2\times 5^4\times 7^1\times {\mathrm{467}}^1$

素因数の和:500

約数の個数: 60

約数和(自身を含む): 38012832

約数和(自身を除く): 19624707

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 375, 467, 525, 625, 875, 1125, 1401, 1575, 1875, 2335, 2625, 3269, 4203, 4375, 5625, 7005, 7875, 9807, 11675, 13125, 16345, 21015, 29421, 35025, 39375, 49035, 58375, 81725, 105075, 147105, 175125, 245175, 291875, 408625, 525375, 735525, 875625, 1225875, 2043125, 2626875, 3677625, 6129375, 18388125]

約数ペア:

[(1, 18388125), (3, 6129375), (5, 3677625), (7, 2626875), (9, 2043125), (15, 1225875), (21, 875625), (25, 735525), (35, 525375), (45, 408625), (63, 291875), (75, 245175), (105, 175125), (125, 147105), (175, 105075), (225, 81725), (315, 58375), (375, 49035), (467, 39375), (525, 35025), (625, 29421), (875, 21015), (1125, 16345), (1401, 13125), (1575, 11675), (1875, 9807), (2335, 7875), (2625, 7005), (3269, 5625), (4203, 4375)]