19480260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2179}}^1$

素因数の和:2340

約数の個数: 48

約数和(自身を含む): 54936000

約数和(自身を除く): 35455740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 1490, 1788, 2179, 2235, 2980, 4358, 4470, 6537, 8716, 8940, 10895, 13074, 21790, 26148, 32685, 43580, 65370, 130740, 324671, 649342, 974013, 1298684, 1623355, 1948026, 3246710, 3896052, 4870065, 6493420, 9740130, 19480260]

約数ペア:

[(1, 19480260), (2, 9740130), (3, 6493420), (4, 4870065), (5, 3896052), (6, 3246710), (10, 1948026), (12, 1623355), (15, 1298684), (20, 974013), (30, 649342), (60, 324671), (149, 130740), (298, 65370), (447, 43580), (596, 32685), (745, 26148), (894, 21790), (1490, 13074), (1788, 10895), (2179, 8940), (2235, 8716), (2980, 6537), (4358, 4470)]