19742562

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1801}}^1$

素因数の和:1848

約数の個数: 64

約数和(自身を含む): 51897600

約数和(自身を除く): 32155038

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 29, 42, 54, 58, 63, 87, 126, 174, 189, 203, 261, 378, 406, 522, 609, 783, 1218, 1566, 1801, 1827, 3602, 3654, 5403, 5481, 10806, 10962, 12607, 16209, 25214, 32418, 37821, 48627, 52229, 75642, 97254, 104458, 113463, 156687, 226926, 313374, 340389, 365603, 470061, 680778, 731206, 940122, 1096809, 1410183, 2193618, 2820366, 3290427, 6580854, 9871281, 19742562]

約数ペア:

[(1, 19742562), (2, 9871281), (3, 6580854), (6, 3290427), (7, 2820366), (9, 2193618), (14, 1410183), (18, 1096809), (21, 940122), (27, 731206), (29, 680778), (42, 470061), (54, 365603), (58, 340389), (63, 313374), (87, 226926), (126, 156687), (174, 113463), (189, 104458), (203, 97254), (261, 75642), (378, 52229), (406, 48627), (522, 37821), (609, 32418), (783, 25214), (1218, 16209), (1566, 12607), (1801, 10962), (1827, 10806), (3602, 5481), (3654, 5403)]