19462480

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8389}}^1$

素因数の和:8431

約数の個数: 40

約数和(自身を含む): 46816200

約数和(自身を除く): 27353720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 8389, 16778, 33556, 41945, 67112, 83890, 134224, 167780, 243281, 335560, 486562, 671120, 973124, 1216405, 1946248, 2432810, 3892496, 4865620, 9731240, 19462480]

約数ペア:

[(1, 19462480), (2, 9731240), (4, 4865620), (5, 3892496), (8, 2432810), (10, 1946248), (16, 1216405), (20, 973124), (29, 671120), (40, 486562), (58, 335560), (80, 243281), (116, 167780), (145, 134224), (232, 83890), (290, 67112), (464, 41945), (580, 33556), (1160, 16778), (2320, 8389)]