19882719

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:484

約数の個数: 32

約数和(自身を含む): 31008000

約数和(自身を除く): 11125281

約数列:

[1, 3, 9, 27, 29, 67, 87, 201, 261, 379, 603, 783, 1137, 1809, 1943, 3411, 5829, 10233, 10991, 17487, 25393, 32973, 52461, 76179, 98919, 228537, 296757, 685611, 736397, 2209191, 6627573, 19882719]

約数ペア:

[(1, 19882719), (3, 6627573), (9, 2209191), (27, 736397), (29, 685611), (67, 296757), (87, 228537), (201, 98919), (261, 76179), (379, 52461), (603, 32973), (783, 25393), (1137, 17487), (1809, 10991), (1943, 10233), (3411, 5829)]