18198950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 43925760

約数和(自身を除く): 25726810

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 29, 35, 50, 55, 58, 70, 77, 110, 145, 154, 163, 175, 203, 275, 290, 319, 326, 350, 385, 406, 550, 638, 725, 770, 815, 1015, 1141, 1450, 1595, 1630, 1793, 1925, 2030, 2233, 2282, 3190, 3586, 3850, 4075, 4466, 4727, 5075, 5705, 7975, 8150, 8965, 9454, 10150, 11165, 11410, 12551, 15950, 17930, 22330, 23635, 25102, 28525, 33089, 44825, 47270, 51997, 55825, 57050, 62755, 66178, 89650, 103994, 111650, 118175, 125510, 165445, 236350, 259985, 313775, 330890, 363979, 519970, 627550, 727958, 827225, 1299925, 1654450, 1819895, 2599850, 3639790, 9099475, 18198950]

約数ペア:

[(1, 18198950), (2, 9099475), (5, 3639790), (7, 2599850), (10, 1819895), (11, 1654450), (14, 1299925), (22, 827225), (25, 727958), (29, 627550), (35, 519970), (50, 363979), (55, 330890), (58, 313775), (70, 259985), (77, 236350), (110, 165445), (145, 125510), (154, 118175), (163, 111650), (175, 103994), (203, 89650), (275, 66178), (290, 62755), (319, 57050), (326, 55825), (350, 51997), (385, 47270), (406, 44825), (550, 33089), (638, 28525), (725, 25102), (770, 23635), (815, 22330), (1015, 17930), (1141, 15950), (1450, 12551), (1595, 11410), (1630, 11165), (1793, 10150), (1925, 9454), (2030, 8965), (2233, 8150), (2282, 7975), (3190, 5705), (3586, 5075), (3850, 4727), (4075, 4466)]