18783870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3889}}^1$

素因数の和:3929

約数の個数: 64

約数和(自身を含む): 53775360

約数和(自身を除く): 34991490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 210, 230, 322, 345, 483, 690, 805, 966, 1610, 2415, 3889, 4830, 7778, 11667, 19445, 23334, 27223, 38890, 54446, 58335, 81669, 89447, 116670, 136115, 163338, 178894, 268341, 272230, 408345, 447235, 536682, 626129, 816690, 894470, 1252258, 1341705, 1878387, 2683410, 3130645, 3756774, 6261290, 9391935, 18783870]

約数ペア:

[(1, 18783870), (2, 9391935), (3, 6261290), (5, 3756774), (6, 3130645), (7, 2683410), (10, 1878387), (14, 1341705), (15, 1252258), (21, 894470), (23, 816690), (30, 626129), (35, 536682), (42, 447235), (46, 408345), (69, 272230), (70, 268341), (105, 178894), (115, 163338), (138, 136115), (161, 116670), (210, 89447), (230, 81669), (322, 58335), (345, 54446), (483, 38890), (690, 27223), (805, 23334), (966, 19445), (1610, 11667), (2415, 7778), (3889, 4830)]