17990830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{547}}^1$

素因数の和:601

約数の個数: 64

約数和(自身を含む): 39771648

約数和(自身を除く): 21780818

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 46, 55, 65, 110, 115, 130, 143, 230, 253, 286, 299, 506, 547, 598, 715, 1094, 1265, 1430, 1495, 2530, 2735, 2990, 3289, 5470, 6017, 6578, 7111, 12034, 12581, 14222, 16445, 25162, 30085, 32890, 35555, 60170, 62905, 71110, 78221, 125810, 138391, 156442, 163553, 276782, 327106, 391105, 691955, 782210, 817765, 1383910, 1635530, 1799083, 3598166, 8995415, 17990830]

約数ペア:

[(1, 17990830), (2, 8995415), (5, 3598166), (10, 1799083), (11, 1635530), (13, 1383910), (22, 817765), (23, 782210), (26, 691955), (46, 391105), (55, 327106), (65, 276782), (110, 163553), (115, 156442), (130, 138391), (143, 125810), (230, 78221), (253, 71110), (286, 62905), (299, 60170), (506, 35555), (547, 32890), (598, 30085), (715, 25162), (1094, 16445), (1265, 14222), (1430, 12581), (1495, 12034), (2530, 7111), (2735, 6578), (2990, 6017), (3289, 5470)]