19980378

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{33637}}^1$

素因数の和:33659

約数の個数: 32

約数和(自身を含む): 48438720

約数和(自身を除く): 28458342

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 198, 297, 594, 33637, 67274, 100911, 201822, 302733, 370007, 605466, 740014, 908199, 1110021, 1816398, 2220042, 3330063, 6660126, 9990189, 19980378]

約数ペア:

[(1, 19980378), (2, 9990189), (3, 6660126), (6, 3330063), (9, 2220042), (11, 1816398), (18, 1110021), (22, 908199), (27, 740014), (33, 605466), (54, 370007), (66, 302733), (99, 201822), (198, 100911), (297, 67274), (594, 33637)]