19188690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:527

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 29471790

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 47, 62, 93, 94, 141, 155, 186, 235, 282, 310, 439, 465, 470, 705, 878, 930, 1317, 1410, 1457, 2195, 2634, 2914, 4371, 4390, 6585, 7285, 8742, 13170, 13609, 14570, 20633, 21855, 27218, 40827, 41266, 43710, 61899, 68045, 81654, 103165, 123798, 136090, 204135, 206330, 309495, 408270, 618990, 639623, 1279246, 1918869, 3198115, 3837738, 6396230, 9594345, 19188690]

約数ペア:

[(1, 19188690), (2, 9594345), (3, 6396230), (5, 3837738), (6, 3198115), (10, 1918869), (15, 1279246), (30, 639623), (31, 618990), (47, 408270), (62, 309495), (93, 206330), (94, 204135), (141, 136090), (155, 123798), (186, 103165), (235, 81654), (282, 68045), (310, 61899), (439, 43710), (465, 41266), (470, 40827), (705, 27218), (878, 21855), (930, 20633), (1317, 14570), (1410, 13609), (1457, 13170), (2195, 8742), (2634, 7285), (2914, 6585), (4371, 4390)]