19404990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1153}}^1$

素因数の和:1194

約数の個数: 96

約数和(自身を含む): 58327776

約数和(自身を除く): 38922786

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 30, 33, 34, 45, 51, 55, 66, 85, 90, 99, 102, 110, 153, 165, 170, 187, 198, 255, 306, 330, 374, 495, 510, 561, 765, 935, 990, 1122, 1153, 1530, 1683, 1870, 2306, 2805, 3366, 3459, 5610, 5765, 6918, 8415, 10377, 11530, 12683, 16830, 17295, 19601, 20754, 25366, 34590, 38049, 39202, 51885, 58803, 63415, 76098, 98005, 103770, 114147, 117606, 126830, 176409, 190245, 196010, 215611, 228294, 294015, 352818, 380490, 431222, 570735, 588030, 646833, 882045, 1078055, 1141470, 1293666, 1764090, 1940499, 2156110, 3234165, 3880998, 6468330, 9702495, 19404990]

約数ペア:

[(1, 19404990), (2, 9702495), (3, 6468330), (5, 3880998), (6, 3234165), (9, 2156110), (10, 1940499), (11, 1764090), (15, 1293666), (17, 1141470), (18, 1078055), (22, 882045), (30, 646833), (33, 588030), (34, 570735), (45, 431222), (51, 380490), (55, 352818), (66, 294015), (85, 228294), (90, 215611), (99, 196010), (102, 190245), (110, 176409), (153, 126830), (165, 117606), (170, 114147), (187, 103770), (198, 98005), (255, 76098), (306, 63415), (330, 58803), (374, 51885), (495, 39202), (510, 38049), (561, 34590), (765, 25366), (935, 20754), (990, 19601), (1122, 17295), (1153, 16830), (1530, 12683), (1683, 11530), (1870, 10377), (2306, 8415), (2805, 6918), (3366, 5765), (3459, 5610)]