19290978

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{541}}^1$

素因数の和:839

約数の個数: 48

約数和(自身を含む): 48025536

約数和(自身を除く): 28734558

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 283, 541, 566, 849, 1082, 1623, 1698, 1981, 2547, 3246, 3787, 3962, 4869, 5094, 5943, 7574, 9738, 11361, 11886, 17829, 22722, 34083, 35658, 68166, 153103, 306206, 459309, 918618, 1071721, 1377927, 2143442, 2755854, 3215163, 6430326, 9645489, 19290978]

約数ペア:

[(1, 19290978), (2, 9645489), (3, 6430326), (6, 3215163), (7, 2755854), (9, 2143442), (14, 1377927), (18, 1071721), (21, 918618), (42, 459309), (63, 306206), (126, 153103), (283, 68166), (541, 35658), (566, 34083), (849, 22722), (1082, 17829), (1623, 11886), (1698, 11361), (1981, 9738), (2547, 7574), (3246, 5943), (3787, 5094), (3962, 4869)]