19536020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2969}}^1$

素因数の和:3032

約数の個数: 48

約数和(自身を含む): 47900160

約数和(自身を除く): 28364140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 2969, 3290, 5938, 6580, 11876, 14845, 20783, 29690, 41566, 59380, 83132, 103915, 139543, 207830, 279086, 415660, 558172, 697715, 976801, 1395430, 1953602, 2790860, 3907204, 4884005, 9768010, 19536020]

約数ペア:

[(1, 19536020), (2, 9768010), (4, 4884005), (5, 3907204), (7, 2790860), (10, 1953602), (14, 1395430), (20, 976801), (28, 697715), (35, 558172), (47, 415660), (70, 279086), (94, 207830), (140, 139543), (188, 103915), (235, 83132), (329, 59380), (470, 41566), (658, 29690), (940, 20783), (1316, 14845), (1645, 11876), (2969, 6580), (3290, 5938)]