16871620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1531}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 38606400

約数和(自身を除く): 21734780

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 1102, 1531, 2204, 2755, 3062, 5510, 6124, 7655, 11020, 15310, 29089, 30620, 44399, 58178, 88798, 116356, 145445, 177596, 221995, 290890, 443990, 581780, 843581, 887980, 1687162, 3374324, 4217905, 8435810, 16871620]

約数ペア:

[(1, 16871620), (2, 8435810), (4, 4217905), (5, 3374324), (10, 1687162), (19, 887980), (20, 843581), (29, 581780), (38, 443990), (58, 290890), (76, 221995), (95, 177596), (116, 145445), (145, 116356), (190, 88798), (290, 58178), (380, 44399), (551, 30620), (580, 29089), (1102, 15310), (1531, 11020), (2204, 7655), (2755, 6124), (3062, 5510)]