19660147220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{14843}}^1\times {\mathrm{9461}}^1$

素因数の和:24320

約数の個数: 48

約数和(自身を含む): 47192519808

約数和(自身を除く): 27532372588

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9461, 14843, 18922, 29686, 37844, 47305, 59372, 66227, 74215, 94610, 103901, 132454, 148430, 189220, 207802, 264908, 296860, 331135, 415604, 519505, 662270, 1039010, 1324540, 2078020, 140429623, 280859246, 561718492, 702148115, 983007361, 1404296230, 1966014722, 2808592460, 3932029444, 4915036805, 9830073610, 19660147220]

約数ペア:

[(1, 19660147220), (2, 9830073610), (4, 4915036805), (5, 3932029444), (7, 2808592460), (10, 1966014722), (14, 1404296230), (20, 983007361), (28, 702148115), (35, 561718492), (70, 280859246), (140, 140429623), (9461, 2078020), (14843, 1324540), (18922, 1039010), (29686, 662270), (37844, 519505), (47305, 415604), (59372, 331135), (66227, 296860), (74215, 264908), (94610, 207802), (103901, 189220), (132454, 148430)]