18507580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10169}}^1$

素因数の和:10198

約数の個数: 48

約数和(自身を含む): 47839680

約数和(自身を除く): 29332100

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10169, 20338, 40676, 50845, 71183, 101690, 132197, 142366, 203380, 264394, 284732, 355915, 528788, 660985, 711830, 925379, 1321970, 1423660, 1850758, 2643940, 3701516, 4626895, 9253790, 18507580]

約数ペア:

[(1, 18507580), (2, 9253790), (4, 4626895), (5, 3701516), (7, 2643940), (10, 1850758), (13, 1423660), (14, 1321970), (20, 925379), (26, 711830), (28, 660985), (35, 528788), (52, 355915), (65, 284732), (70, 264394), (91, 203380), (130, 142366), (140, 132197), (182, 101690), (260, 71183), (364, 50845), (455, 40676), (910, 20338), (1820, 10169)]