18293660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1697}}^1$

素因数の和:1731

約数の個数: 72

約数和(自身を含む): 48780144

約数和(自身を除く): 30486484

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 1697, 2156, 2695, 3394, 5390, 6788, 8485, 10780, 11879, 16970, 18667, 23758, 33940, 37334, 47516, 59395, 74668, 83153, 93335, 118790, 130669, 166306, 186670, 237580, 261338, 332612, 373340, 415765, 522676, 653345, 831530, 914683, 1306690, 1663060, 1829366, 2613380, 3658732, 4573415, 9146830, 18293660]

約数ペア:

[(1, 18293660), (2, 9146830), (4, 4573415), (5, 3658732), (7, 2613380), (10, 1829366), (11, 1663060), (14, 1306690), (20, 914683), (22, 831530), (28, 653345), (35, 522676), (44, 415765), (49, 373340), (55, 332612), (70, 261338), (77, 237580), (98, 186670), (110, 166306), (140, 130669), (154, 118790), (196, 93335), (220, 83153), (245, 74668), (308, 59395), (385, 47516), (490, 37334), (539, 33940), (770, 23758), (980, 18667), (1078, 16970), (1540, 11879), (1697, 10780), (2156, 8485), (2695, 6788), (3394, 5390)]