18884745

素因数分解:

$3^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 37313280

約数和(自身を除く): 18428535

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 157, 165, 243, 297, 405, 471, 495, 729, 785, 891, 1215, 1413, 1485, 1727, 2187, 2355, 2673, 3645, 4239, 4455, 5181, 7065, 8019, 8635, 10935, 12717, 13365, 15543, 21195, 24057, 25905, 38151, 40095, 46629, 63585, 77715, 114453, 120285, 139887, 190755, 233145, 343359, 419661, 572265, 699435, 1258983, 1716795, 2098305, 3776949, 6294915, 18884745]

約数ペア:

[(1, 18884745), (3, 6294915), (5, 3776949), (9, 2098305), (11, 1716795), (15, 1258983), (27, 699435), (33, 572265), (45, 419661), (55, 343359), (81, 233145), (99, 190755), (135, 139887), (157, 120285), (165, 114453), (243, 77715), (297, 63585), (405, 46629), (471, 40095), (495, 38151), (729, 25905), (785, 24057), (891, 21195), (1215, 15543), (1413, 13365), (1485, 12717), (1727, 10935), (2187, 8635), (2355, 8019), (2673, 7065), (3645, 5181), (4239, 4455)]