18896982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 44029440

約数和(自身を除く): 25132458

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 41, 57, 78, 82, 114, 123, 246, 247, 311, 494, 533, 622, 741, 779, 933, 1066, 1482, 1558, 1599, 1866, 2337, 3198, 4043, 4674, 5909, 8086, 10127, 11818, 12129, 12751, 17727, 20254, 24258, 25502, 30381, 35454, 38253, 60762, 76506, 76817, 153634, 165763, 230451, 242269, 331526, 460902, 484538, 497289, 726807, 994578, 1453614, 3149497, 6298994, 9448491, 18896982]

約数ペア:

[(1, 18896982), (2, 9448491), (3, 6298994), (6, 3149497), (13, 1453614), (19, 994578), (26, 726807), (38, 497289), (39, 484538), (41, 460902), (57, 331526), (78, 242269), (82, 230451), (114, 165763), (123, 153634), (246, 76817), (247, 76506), (311, 60762), (494, 38253), (533, 35454), (622, 30381), (741, 25502), (779, 24258), (933, 20254), (1066, 17727), (1482, 12751), (1558, 12129), (1599, 11818), (1866, 10127), (2337, 8086), (3198, 5909), (4043, 4674)]