19777506

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 47443968

約数和(自身を除く): 27666462

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 47, 86, 94, 129, 141, 233, 258, 282, 301, 329, 466, 602, 658, 699, 903, 987, 1398, 1631, 1806, 1974, 2021, 3262, 4042, 4893, 6063, 9786, 10019, 10951, 12126, 14147, 20038, 21902, 28294, 30057, 32853, 42441, 60114, 65706, 70133, 76657, 84882, 140266, 153314, 210399, 229971, 420798, 459942, 470893, 941786, 1412679, 2825358, 3296251, 6592502, 9888753, 19777506]

約数ペア:

[(1, 19777506), (2, 9888753), (3, 6592502), (6, 3296251), (7, 2825358), (14, 1412679), (21, 941786), (42, 470893), (43, 459942), (47, 420798), (86, 229971), (94, 210399), (129, 153314), (141, 140266), (233, 84882), (258, 76657), (282, 70133), (301, 65706), (329, 60114), (466, 42441), (602, 32853), (658, 30057), (699, 28294), (903, 21902), (987, 20038), (1398, 14147), (1631, 12126), (1806, 10951), (1974, 10019), (2021, 9786), (3262, 6063), (4042, 4893)]