18097785

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 33658560

約数和(自身を除く): 15560775

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 61, 95, 171, 183, 285, 305, 347, 549, 855, 915, 1041, 1159, 1735, 2745, 3123, 3477, 5205, 5795, 6593, 10431, 15615, 17385, 19779, 21167, 32965, 52155, 59337, 63501, 98895, 105835, 190503, 296685, 317505, 402173, 952515, 1206519, 2010865, 3619557, 6032595, 18097785]

約数ペア:

[(1, 18097785), (3, 6032595), (5, 3619557), (9, 2010865), (15, 1206519), (19, 952515), (45, 402173), (57, 317505), (61, 296685), (95, 190503), (171, 105835), (183, 98895), (285, 63501), (305, 59337), (347, 52155), (549, 32965), (855, 21167), (915, 19779), (1041, 17385), (1159, 15615), (1735, 10431), (2745, 6593), (3123, 5795), (3477, 5205)]