18745628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1319}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 21171172

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 187, 209, 323, 374, 418, 646, 748, 836, 1292, 1319, 2638, 3553, 5276, 7106, 14212, 14509, 22423, 25061, 29018, 44846, 50122, 58036, 89692, 100244, 246653, 275671, 426037, 493306, 551342, 852074, 986612, 1102684, 1704148, 4686407, 9372814, 18745628]

約数ペア:

[(1, 18745628), (2, 9372814), (4, 4686407), (11, 1704148), (17, 1102684), (19, 986612), (22, 852074), (34, 551342), (38, 493306), (44, 426037), (68, 275671), (76, 246653), (187, 100244), (209, 89692), (323, 58036), (374, 50122), (418, 44846), (646, 29018), (748, 25061), (836, 22423), (1292, 14509), (1319, 14212), (2638, 7106), (3553, 5276)]