18905370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{971}}^1$

素因数の和:1051

約数の個数: 64

約数和(自身を含む): 50388480

約数和(自身を除く): 31483110

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 59, 66, 110, 118, 165, 177, 295, 330, 354, 590, 649, 885, 971, 1298, 1770, 1942, 1947, 2913, 3245, 3894, 4855, 5826, 6490, 9710, 9735, 10681, 14565, 19470, 21362, 29130, 32043, 53405, 57289, 64086, 106810, 114578, 160215, 171867, 286445, 320430, 343734, 572890, 630179, 859335, 1260358, 1718670, 1890537, 3150895, 3781074, 6301790, 9452685, 18905370]

約数ペア:

[(1, 18905370), (2, 9452685), (3, 6301790), (5, 3781074), (6, 3150895), (10, 1890537), (11, 1718670), (15, 1260358), (22, 859335), (30, 630179), (33, 572890), (55, 343734), (59, 320430), (66, 286445), (110, 171867), (118, 160215), (165, 114578), (177, 106810), (295, 64086), (330, 57289), (354, 53405), (590, 32043), (649, 29130), (885, 21362), (971, 19470), (1298, 14565), (1770, 10681), (1942, 9735), (1947, 9710), (2913, 6490), (3245, 5826), (3894, 4855)]