19874970

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8179}}^1$

素因数の和:8201

約数の個数: 48

約数和(自身を含む): 53595360

約数和(自身を除く): 33720390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8179, 16358, 24537, 40895, 49074, 73611, 81790, 122685, 147222, 220833, 245370, 368055, 441666, 662499, 736110, 1104165, 1324998, 1987497, 2208330, 3312495, 3974994, 6624990, 9937485, 19874970]

約数ペア:

[(1, 19874970), (2, 9937485), (3, 6624990), (5, 3974994), (6, 3312495), (9, 2208330), (10, 1987497), (15, 1324998), (18, 1104165), (27, 736110), (30, 662499), (45, 441666), (54, 368055), (81, 245370), (90, 220833), (135, 147222), (162, 122685), (243, 81790), (270, 73611), (405, 49074), (486, 40895), (810, 24537), (1215, 16358), (2430, 8179)]