13494940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2089}}^1$

素因数の和:2134

約数の個数: 48

約数和(自身を含む): 31600800

約数和(自身を除く): 18105860

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 2089, 3230, 4178, 6460, 8356, 10445, 20890, 35513, 39691, 41780, 71026, 79382, 142052, 158764, 177565, 198455, 355130, 396910, 674747, 710260, 793820, 1349494, 2698988, 3373735, 6747470, 13494940]

約数ペア:

[(1, 13494940), (2, 6747470), (4, 3373735), (5, 2698988), (10, 1349494), (17, 793820), (19, 710260), (20, 674747), (34, 396910), (38, 355130), (68, 198455), (76, 177565), (85, 158764), (95, 142052), (170, 79382), (190, 71026), (323, 41780), (340, 39691), (380, 35513), (646, 20890), (1292, 10445), (1615, 8356), (2089, 6460), (3230, 4178)]