2018924420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{312527}}^1$

素因数の和:312572

約数の個数: 48

約数和(自身を含む): 4725423360

約数和(自身を除く): 2706498940

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 312527, 625054, 1250108, 1562635, 3125270, 5312959, 5938013, 6250540, 10625918, 11876026, 21251836, 23752052, 26564795, 29690065, 53129590, 59380130, 100946221, 106259180, 118760260, 201892442, 403784884, 504731105, 1009462210, 2018924420]

約数ペア:

[(1, 2018924420), (2, 1009462210), (4, 504731105), (5, 403784884), (10, 201892442), (17, 118760260), (19, 106259180), (20, 100946221), (34, 59380130), (38, 53129590), (68, 29690065), (76, 26564795), (85, 23752052), (95, 21251836), (170, 11876026), (190, 10625918), (323, 6250540), (340, 5938013), (380, 5312959), (646, 3125270), (1292, 1562635), (1615, 1250108), (3230, 625054), (6460, 312527)]