19253709

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1039}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 29203200

約数和(自身を除く): 9949491

約数列:

[1, 3, 9, 29, 71, 87, 213, 261, 639, 1039, 2059, 3117, 6177, 9351, 18531, 30131, 73769, 90393, 221307, 271179, 663921, 2139301, 6417903, 19253709]

約数ペア:

[(1, 19253709), (3, 6417903), (9, 2139301), (29, 663921), (71, 271179), (87, 221307), (213, 90393), (261, 73769), (639, 30131), (1039, 18531), (2059, 9351), (3117, 6177)]