19383728

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13313}}^1$

素因数の和:13341

約数の個数: 40

約数和(自身を含む): 46226208

約数和(自身を除く): 26842480

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13313, 26626, 53252, 93191, 106504, 173069, 186382, 213008, 346138, 372764, 692276, 745528, 1211483, 1384552, 1491056, 2422966, 2769104, 4845932, 9691864, 19383728]

約数ペア:

[(1, 19383728), (2, 9691864), (4, 4845932), (7, 2769104), (8, 2422966), (13, 1491056), (14, 1384552), (16, 1211483), (26, 745528), (28, 692276), (52, 372764), (56, 346138), (91, 213008), (104, 186382), (112, 173069), (182, 106504), (208, 93191), (364, 53252), (728, 26626), (1456, 13313)]