18769590

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{9931}}^1$

素因数の和:9954

約数の個数: 64

約数和(自身を含む): 57208320

約数和(自身を除く): 38438730

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 9931, 19862, 29793, 49655, 59586, 69517, 89379, 99310, 139034, 148965, 178758, 208551, 268137, 297930, 347585, 417102, 446895, 536274, 625653, 695170, 893790, 1042755, 1251306, 1340685, 1876959, 2085510, 2681370, 3128265, 3753918, 6256530, 9384795, 18769590]

約数ペア:

[(1, 18769590), (2, 9384795), (3, 6256530), (5, 3753918), (6, 3128265), (7, 2681370), (9, 2085510), (10, 1876959), (14, 1340685), (15, 1251306), (18, 1042755), (21, 893790), (27, 695170), (30, 625653), (35, 536274), (42, 446895), (45, 417102), (54, 347585), (63, 297930), (70, 268137), (90, 208551), (105, 178758), (126, 148965), (135, 139034), (189, 99310), (210, 89379), (270, 69517), (315, 59586), (378, 49655), (630, 29793), (945, 19862), (1890, 9931)]