18831645

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{313}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 37619712

約数和(自身を除く): 18788067

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 191, 313, 315, 573, 939, 955, 1337, 1565, 1719, 2191, 2817, 2865, 4011, 4695, 6573, 6685, 8595, 10955, 12033, 14085, 19719, 20055, 32865, 59783, 60165, 98595, 179349, 298915, 418481, 538047, 896745, 1255443, 2092405, 2690235, 3766329, 6277215, 18831645]

約数ペア:

[(1, 18831645), (3, 6277215), (5, 3766329), (7, 2690235), (9, 2092405), (15, 1255443), (21, 896745), (35, 538047), (45, 418481), (63, 298915), (105, 179349), (191, 98595), (313, 60165), (315, 59783), (573, 32865), (939, 20055), (955, 19719), (1337, 14085), (1565, 12033), (1719, 10955), (2191, 8595), (2817, 6685), (2865, 6573), (4011, 4695)]