19824860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{929}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 45934560

約数和(自身を除く): 26109700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 929, 970, 1067, 1858, 1940, 2134, 3716, 4268, 4645, 5335, 9290, 10219, 10670, 18580, 20438, 21340, 40876, 51095, 90113, 102190, 180226, 204380, 360452, 450565, 901130, 991243, 1802260, 1982486, 3964972, 4956215, 9912430, 19824860]

約数ペア:

[(1, 19824860), (2, 9912430), (4, 4956215), (5, 3964972), (10, 1982486), (11, 1802260), (20, 991243), (22, 901130), (44, 450565), (55, 360452), (97, 204380), (110, 180226), (194, 102190), (220, 90113), (388, 51095), (485, 40876), (929, 21340), (970, 20438), (1067, 18580), (1858, 10670), (1940, 10219), (2134, 9290), (3716, 5335), (4268, 4645)]