18971610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1481}}^1$

素因数の和:1559

約数の個数: 64

約数和(自身を含む): 52925184

約数和(自身を除く): 33953574

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 183, 210, 305, 366, 427, 610, 854, 915, 1281, 1481, 1830, 2135, 2562, 2962, 4270, 4443, 6405, 7405, 8886, 10367, 12810, 14810, 20734, 22215, 31101, 44430, 51835, 62202, 90341, 103670, 155505, 180682, 271023, 311010, 451705, 542046, 632387, 903410, 1264774, 1355115, 1897161, 2710230, 3161935, 3794322, 6323870, 9485805, 18971610]

約数ペア:

[(1, 18971610), (2, 9485805), (3, 6323870), (5, 3794322), (6, 3161935), (7, 2710230), (10, 1897161), (14, 1355115), (15, 1264774), (21, 903410), (30, 632387), (35, 542046), (42, 451705), (61, 311010), (70, 271023), (105, 180682), (122, 155505), (183, 103670), (210, 90341), (305, 62202), (366, 51835), (427, 44430), (610, 31101), (854, 22215), (915, 20734), (1281, 14810), (1481, 12810), (1830, 10367), (2135, 8886), (2562, 7405), (2962, 6405), (4270, 4443)]