19940490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13033}}^1$

素因数の和:13063

約数の個数: 48

約数和(自身を含む): 54899208

約数和(自身を除く): 34958718

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 13033, 26066, 39099, 65165, 78198, 117297, 130330, 195495, 221561, 234594, 390990, 443122, 586485, 664683, 1107805, 1172970, 1329366, 1994049, 2215610, 3323415, 3988098, 6646830, 9970245, 19940490]

約数ペア:

[(1, 19940490), (2, 9970245), (3, 6646830), (5, 3988098), (6, 3323415), (9, 2215610), (10, 1994049), (15, 1329366), (17, 1172970), (18, 1107805), (30, 664683), (34, 586485), (45, 443122), (51, 390990), (85, 234594), (90, 221561), (102, 195495), (153, 130330), (170, 117297), (255, 78198), (306, 65165), (510, 39099), (765, 26066), (1530, 13033)]