19379308

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 38525760

約数和(自身を除く): 19146452

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 71, 116, 142, 181, 284, 362, 377, 724, 754, 923, 1508, 1846, 2059, 2353, 3692, 4118, 4706, 5249, 8236, 9412, 10498, 12851, 20996, 25702, 26767, 51404, 53534, 68237, 107068, 136474, 167063, 272948, 334126, 372679, 668252, 745358, 1490716, 4844827, 9689654, 19379308]

約数ペア:

[(1, 19379308), (2, 9689654), (4, 4844827), (13, 1490716), (26, 745358), (29, 668252), (52, 372679), (58, 334126), (71, 272948), (116, 167063), (142, 136474), (181, 107068), (284, 68237), (362, 53534), (377, 51404), (724, 26767), (754, 25702), (923, 20996), (1508, 12851), (1846, 10498), (2059, 9412), (2353, 8236), (3692, 5249), (4118, 4706)]