18920220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:395

約数の個数: 96

約数和(自身を含む): 58544640

約数和(自身を除く): 39624420

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 109, 110, 132, 165, 218, 220, 263, 327, 330, 436, 526, 545, 654, 660, 789, 1052, 1090, 1199, 1308, 1315, 1578, 1635, 2180, 2398, 2630, 2893, 3156, 3270, 3597, 3945, 4796, 5260, 5786, 5995, 6540, 7194, 7890, 8679, 11572, 11990, 14388, 14465, 15780, 17358, 17985, 23980, 28667, 28930, 34716, 35970, 43395, 57334, 57860, 71940, 86001, 86790, 114668, 143335, 172002, 173580, 286670, 315337, 344004, 430005, 573340, 630674, 860010, 946011, 1261348, 1576685, 1720020, 1892022, 3153370, 3784044, 4730055, 6306740, 9460110, 18920220]

約数ペア:

[(1, 18920220), (2, 9460110), (3, 6306740), (4, 4730055), (5, 3784044), (6, 3153370), (10, 1892022), (11, 1720020), (12, 1576685), (15, 1261348), (20, 946011), (22, 860010), (30, 630674), (33, 573340), (44, 430005), (55, 344004), (60, 315337), (66, 286670), (109, 173580), (110, 172002), (132, 143335), (165, 114668), (218, 86790), (220, 86001), (263, 71940), (327, 57860), (330, 57334), (436, 43395), (526, 35970), (545, 34716), (654, 28930), (660, 28667), (789, 23980), (1052, 17985), (1090, 17358), (1199, 15780), (1308, 14465), (1315, 14388), (1578, 11990), (1635, 11572), (2180, 8679), (2398, 7890), (2630, 7194), (2893, 6540), (3156, 5995), (3270, 5786), (3597, 5260), (3945, 4796)]