18765891452

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{21893}}^1$

素因数の和:21960

約数の個数: 96

約数和(自身を含む): 43078984704

約数和(自身を除く): 24313093252

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 121, 154, 161, 242, 253, 308, 322, 484, 506, 644, 847, 1012, 1331, 1694, 1771, 2662, 2783, 3388, 3542, 5324, 5566, 7084, 9317, 11132, 18634, 19481, 21893, 30613, 37268, 38962, 43786, 61226, 77924, 87572, 122452, 153251, 214291, 240823, 306502, 428582, 481646, 503539, 613004, 857164, 963292, 1007078, 1685761, 2014156, 2649053, 3371522, 3524773, 5298106, 5538929, 6743044, 7049546, 10596212, 11077858, 14099092, 18543371, 22155716, 29139583, 37086742, 38772503, 58279166, 60928219, 74173484, 77545006, 116558332, 121856438, 155090012, 203977081, 243712876, 407954162, 426497533, 670210409, 815908324, 852995066, 1340420818, 1705990132, 2680841636, 4691472863, 9382945726, 18765891452]

約数ペア:

[(1, 18765891452), (2, 9382945726), (4, 4691472863), (7, 2680841636), (11, 1705990132), (14, 1340420818), (22, 852995066), (23, 815908324), (28, 670210409), (44, 426497533), (46, 407954162), (77, 243712876), (92, 203977081), (121, 155090012), (154, 121856438), (161, 116558332), (242, 77545006), (253, 74173484), (308, 60928219), (322, 58279166), (484, 38772503), (506, 37086742), (644, 29139583), (847, 22155716), (1012, 18543371), (1331, 14099092), (1694, 11077858), (1771, 10596212), (2662, 7049546), (2783, 6743044), (3388, 5538929), (3542, 5298106), (5324, 3524773), (5566, 3371522), (7084, 2649053), (9317, 2014156), (11132, 1685761), (18634, 1007078), (19481, 963292), (21893, 857164), (30613, 613004), (37268, 503539), (38962, 481646), (43786, 428582), (61226, 306502), (77924, 240823), (87572, 214291), (122452, 153251)]