18959490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1741}}^1$

素因数の和:1776

約数の個数: 72

約数和(自身を含む): 54214524

約数和(自身を除く): 35255034

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 121, 165, 198, 242, 330, 363, 495, 605, 726, 990, 1089, 1210, 1741, 1815, 2178, 3482, 3630, 5223, 5445, 8705, 10446, 10890, 15669, 17410, 19151, 26115, 31338, 38302, 52230, 57453, 78345, 95755, 114906, 156690, 172359, 191510, 210661, 287265, 344718, 421322, 574530, 631983, 861795, 1053305, 1263966, 1723590, 1895949, 2106610, 3159915, 3791898, 6319830, 9479745, 18959490]

約数ペア:

[(1, 18959490), (2, 9479745), (3, 6319830), (5, 3791898), (6, 3159915), (9, 2106610), (10, 1895949), (11, 1723590), (15, 1263966), (18, 1053305), (22, 861795), (30, 631983), (33, 574530), (45, 421322), (55, 344718), (66, 287265), (90, 210661), (99, 191510), (110, 172359), (121, 156690), (165, 114906), (198, 95755), (242, 78345), (330, 57453), (363, 52230), (495, 38302), (605, 31338), (726, 26115), (990, 19151), (1089, 17410), (1210, 15669), (1741, 10890), (1815, 10446), (2178, 8705), (3482, 5445), (3630, 5223)]