19841904

素因数分解:

$2^4\times 3^2\times {\mathrm{137791}}^1$

素因数の和:137805

約数の個数: 30

約数和(自身を含む): 55530176

約数和(自身を除く): 35688272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 137791, 275582, 413373, 551164, 826746, 1102328, 1240119, 1653492, 2204656, 2480238, 3306984, 4960476, 6613968, 9920952, 19841904]

約数ペア:

[(1, 19841904), (2, 9920952), (3, 6613968), (4, 4960476), (6, 3306984), (8, 2480238), (9, 2204656), (12, 1653492), (16, 1240119), (18, 1102328), (24, 826746), (36, 551164), (48, 413373), (72, 275582), (144, 137791)]