19255960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 26466920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 293, 310, 424, 530, 586, 620, 1060, 1172, 1240, 1465, 1643, 2120, 2344, 2930, 3286, 5860, 6572, 8215, 9083, 11720, 13144, 15529, 16430, 18166, 31058, 32860, 36332, 45415, 62116, 65720, 72664, 77645, 90830, 124232, 155290, 181660, 310580, 363320, 481399, 621160, 962798, 1925596, 2406995, 3851192, 4813990, 9627980, 19255960]

約数ペア:

[(1, 19255960), (2, 9627980), (4, 4813990), (5, 3851192), (8, 2406995), (10, 1925596), (20, 962798), (31, 621160), (40, 481399), (53, 363320), (62, 310580), (106, 181660), (124, 155290), (155, 124232), (212, 90830), (248, 77645), (265, 72664), (293, 65720), (310, 62116), (424, 45415), (530, 36332), (586, 32860), (620, 31058), (1060, 18166), (1172, 16430), (1240, 15529), (1465, 13144), (1643, 11720), (2120, 9083), (2344, 8215), (2930, 6572), (3286, 5860)]