18677450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1171}}^1$

素因数の和:1223

約数の個数: 48

約数和(自身を含む): 39238560

約数和(自身を除く): 20561110

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 145, 275, 290, 319, 550, 638, 725, 1171, 1450, 1595, 2342, 3190, 5855, 7975, 11710, 12881, 15950, 25762, 29275, 33959, 58550, 64405, 67918, 128810, 169795, 322025, 339590, 373549, 644050, 747098, 848975, 1697950, 1867745, 3735490, 9338725, 18677450]

約数ペア:

[(1, 18677450), (2, 9338725), (5, 3735490), (10, 1867745), (11, 1697950), (22, 848975), (25, 747098), (29, 644050), (50, 373549), (55, 339590), (58, 322025), (110, 169795), (145, 128810), (275, 67918), (290, 64405), (319, 58550), (550, 33959), (638, 29275), (725, 25762), (1171, 15950), (1450, 12881), (1595, 11710), (2342, 7975), (3190, 5855)]