19953570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7309}}^1$

素因数の和:7339

約数の個数: 64

約数和(自身を含む): 58947840

約数和(自身を除く): 38994270

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 7309, 14618, 21927, 36545, 43854, 51163, 73090, 95017, 102326, 109635, 153489, 190034, 219270, 255815, 285051, 306978, 475085, 511630, 570102, 665119, 767445, 950170, 1330238, 1425255, 1534890, 1995357, 2850510, 3325595, 3990714, 6651190, 9976785, 19953570]

約数ペア:

[(1, 19953570), (2, 9976785), (3, 6651190), (5, 3990714), (6, 3325595), (7, 2850510), (10, 1995357), (13, 1534890), (14, 1425255), (15, 1330238), (21, 950170), (26, 767445), (30, 665119), (35, 570102), (39, 511630), (42, 475085), (65, 306978), (70, 285051), (78, 255815), (91, 219270), (105, 190034), (130, 153489), (182, 109635), (195, 102326), (210, 95017), (273, 73090), (390, 51163), (455, 43854), (546, 36545), (910, 21927), (1365, 14618), (2730, 7309)]