19734210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7561}}^1$

素因数の和:7603

約数の個数: 48

約数和(自身を含む): 53085240

約数和(自身を除く): 33351030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 870, 1305, 2610, 7561, 15122, 22683, 37805, 45366, 68049, 75610, 113415, 136098, 219269, 226830, 340245, 438538, 657807, 680490, 1096345, 1315614, 1973421, 2192690, 3289035, 3946842, 6578070, 9867105, 19734210]

約数ペア:

[(1, 19734210), (2, 9867105), (3, 6578070), (5, 3946842), (6, 3289035), (9, 2192690), (10, 1973421), (15, 1315614), (18, 1096345), (29, 680490), (30, 657807), (45, 438538), (58, 340245), (87, 226830), (90, 219269), (145, 136098), (174, 113415), (261, 75610), (290, 68049), (435, 45366), (522, 37805), (870, 22683), (1305, 15122), (2610, 7561)]