19510330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1373}}^1$

素因数の和:1423

約数の個数: 48

約数和(自身を含む): 42291720

約数和(自身を除く): 22781390

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 49, 58, 70, 98, 145, 203, 245, 290, 406, 490, 1015, 1373, 1421, 2030, 2746, 2842, 6865, 7105, 9611, 13730, 14210, 19222, 39817, 48055, 67277, 79634, 96110, 134554, 199085, 278719, 336385, 398170, 557438, 672770, 1393595, 1951033, 2787190, 3902066, 9755165, 19510330]

約数ペア:

[(1, 19510330), (2, 9755165), (5, 3902066), (7, 2787190), (10, 1951033), (14, 1393595), (29, 672770), (35, 557438), (49, 398170), (58, 336385), (70, 278719), (98, 199085), (145, 134554), (203, 96110), (245, 79634), (290, 67277), (406, 48055), (490, 39817), (1015, 19222), (1373, 14210), (1421, 13730), (2030, 9611), (2746, 7105), (2842, 6865)]