19153017

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 56

約数和(自身を含む): 32317824

約数和(自身を除く): 13164807

約数列:

[1, 3, 9, 13, 27, 39, 43, 47, 81, 117, 129, 141, 243, 351, 387, 423, 559, 611, 729, 1053, 1161, 1269, 1677, 1833, 2021, 3159, 3483, 3807, 5031, 5499, 6063, 9477, 10449, 11421, 15093, 16497, 18189, 26273, 31347, 34263, 45279, 49491, 54567, 78819, 135837, 148473, 163701, 236457, 407511, 445419, 491103, 709371, 1473309, 2128113, 6384339, 19153017]

約数ペア:

[(1, 19153017), (3, 6384339), (9, 2128113), (13, 1473309), (27, 709371), (39, 491103), (43, 445419), (47, 407511), (81, 236457), (117, 163701), (129, 148473), (141, 135837), (243, 78819), (351, 54567), (387, 49491), (423, 45279), (559, 34263), (611, 31347), (729, 26273), (1053, 18189), (1161, 16497), (1269, 15093), (1677, 11421), (1833, 10449), (2021, 9477), (3159, 6063), (3483, 5499), (3807, 5031)]