19752837

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 31747968

約数和(自身を除く): 11995131

約数列:

[1, 3, 13, 19, 23, 39, 57, 61, 69, 183, 247, 299, 361, 437, 741, 793, 897, 1083, 1159, 1311, 1403, 2379, 3477, 4209, 4693, 5681, 8303, 14079, 15067, 17043, 18239, 22021, 24909, 26657, 45201, 54717, 66063, 79971, 107939, 286273, 323817, 346541, 506483, 858819, 1039623, 1519449, 6584279, 19752837]

約数ペア:

[(1, 19752837), (3, 6584279), (13, 1519449), (19, 1039623), (23, 858819), (39, 506483), (57, 346541), (61, 323817), (69, 286273), (183, 107939), (247, 79971), (299, 66063), (361, 54717), (437, 45201), (741, 26657), (793, 24909), (897, 22021), (1083, 18239), (1159, 17043), (1311, 15067), (1403, 14079), (2379, 8303), (3477, 5681), (4209, 4693)]