18989835

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2897}}^1$

素因数の和:2947

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 14395125

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 2897, 6555, 8691, 14485, 43455, 55043, 66631, 165129, 199893, 275215, 333155, 825645, 999465, 1265989, 3797967, 6329945, 18989835]

約数ペア:

[(1, 18989835), (3, 6329945), (5, 3797967), (15, 1265989), (19, 999465), (23, 825645), (57, 333155), (69, 275215), (95, 199893), (115, 165129), (285, 66631), (345, 55043), (437, 43455), (1311, 14485), (2185, 8691), (2897, 6555)]