19320740

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 22507228

約数列:

[1, 2, 4, 5, 10, 20, 83, 103, 113, 166, 206, 226, 332, 412, 415, 452, 515, 565, 830, 1030, 1130, 1660, 2060, 2260, 8549, 9379, 11639, 17098, 18758, 23278, 34196, 37516, 42745, 46556, 46895, 58195, 85490, 93790, 116390, 170980, 187580, 232780, 966037, 1932074, 3864148, 4830185, 9660370, 19320740]

約数ペア:

[(1, 19320740), (2, 9660370), (4, 4830185), (5, 3864148), (10, 1932074), (20, 966037), (83, 232780), (103, 187580), (113, 170980), (166, 116390), (206, 93790), (226, 85490), (332, 58195), (412, 46895), (415, 46556), (452, 42745), (515, 37516), (565, 34196), (830, 23278), (1030, 18758), (1130, 17098), (1660, 11639), (2060, 9379), (2260, 8549)]