19142253

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 32032000

約数和(自身を除く): 12889747

約数列:

[1, 3, 9, 13, 19, 39, 57, 79, 109, 117, 171, 237, 247, 327, 711, 741, 981, 1027, 1417, 1501, 2071, 2223, 3081, 4251, 4503, 6213, 8611, 9243, 12753, 13509, 18639, 19513, 25833, 26923, 58539, 77499, 80769, 111943, 163609, 175617, 242307, 335829, 490827, 1007487, 1472481, 2126917, 6380751, 19142253]

約数ペア:

[(1, 19142253), (3, 6380751), (9, 2126917), (13, 1472481), (19, 1007487), (39, 490827), (57, 335829), (79, 242307), (109, 175617), (117, 163609), (171, 111943), (237, 80769), (247, 77499), (327, 58539), (711, 26923), (741, 25833), (981, 19513), (1027, 18639), (1417, 13509), (1501, 12753), (2071, 9243), (2223, 8611), (3081, 6213), (4251, 4503)]