18237065

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 28465344

約数和(自身を除く): 10228279

約数列:

[1, 5, 7, 11, 35, 49, 55, 67, 77, 101, 245, 335, 385, 469, 505, 539, 707, 737, 1111, 2345, 2695, 3283, 3535, 3685, 4949, 5159, 5555, 6767, 7777, 16415, 24745, 25795, 33835, 36113, 38885, 47369, 54439, 74437, 180565, 236845, 272195, 331583, 372185, 521059, 1657915, 2605295, 3647413, 18237065]

約数ペア:

[(1, 18237065), (5, 3647413), (7, 2605295), (11, 1657915), (35, 521059), (49, 372185), (55, 331583), (67, 272195), (77, 236845), (101, 180565), (245, 74437), (335, 54439), (385, 47369), (469, 38885), (505, 36113), (539, 33835), (707, 25795), (737, 24745), (1111, 16415), (2345, 7777), (2695, 6767), (3283, 5555), (3535, 5159), (3685, 4949)]