19408740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:341

約数の個数: 96

約数和(自身を含む): 59270400

約数和(自身を除く): 39861660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 149, 156, 167, 195, 260, 298, 334, 390, 447, 501, 596, 668, 745, 780, 835, 894, 1002, 1490, 1670, 1788, 1937, 2004, 2171, 2235, 2505, 2980, 3340, 3874, 4342, 4470, 5010, 5811, 6513, 7748, 8684, 8940, 9685, 10020, 10855, 11622, 13026, 19370, 21710, 23244, 24883, 26052, 29055, 32565, 38740, 43420, 49766, 58110, 65130, 74649, 99532, 116220, 124415, 130260, 149298, 248830, 298596, 323479, 373245, 497660, 646958, 746490, 970437, 1293916, 1492980, 1617395, 1940874, 3234790, 3881748, 4852185, 6469580, 9704370, 19408740]

約数ペア:

[(1, 19408740), (2, 9704370), (3, 6469580), (4, 4852185), (5, 3881748), (6, 3234790), (10, 1940874), (12, 1617395), (13, 1492980), (15, 1293916), (20, 970437), (26, 746490), (30, 646958), (39, 497660), (52, 373245), (60, 323479), (65, 298596), (78, 248830), (130, 149298), (149, 130260), (156, 124415), (167, 116220), (195, 99532), (260, 74649), (298, 65130), (334, 58110), (390, 49766), (447, 43420), (501, 38740), (596, 32565), (668, 29055), (745, 26052), (780, 24883), (835, 23244), (894, 21710), (1002, 19370), (1490, 13026), (1670, 11622), (1788, 10855), (1937, 10020), (2004, 9685), (2171, 8940), (2235, 8684), (2505, 7748), (2980, 6513), (3340, 5811), (3874, 5010), (4342, 4470)]