18357990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:186

約数の個数: 128

約数和(自身を含む): 54743040

約数和(自身を除く): 36385050

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 43, 57, 70, 86, 95, 105, 107, 114, 129, 133, 190, 210, 214, 215, 258, 266, 285, 301, 321, 399, 430, 535, 570, 602, 642, 645, 665, 749, 798, 817, 903, 1070, 1290, 1330, 1498, 1505, 1605, 1634, 1806, 1995, 2033, 2247, 2451, 3010, 3210, 3745, 3990, 4066, 4085, 4494, 4515, 4601, 4902, 5719, 6099, 7490, 8170, 9030, 9202, 10165, 11235, 11438, 12198, 12255, 13803, 14231, 17157, 20330, 22470, 23005, 24510, 27606, 28462, 28595, 30495, 32207, 34314, 42693, 46010, 57190, 60990, 64414, 69015, 71155, 85386, 85785, 87419, 96621, 138030, 142310, 161035, 171570, 174838, 193242, 213465, 262257, 322070, 426930, 437095, 483105, 524514, 611933, 874190, 966210, 1223866, 1311285, 1835799, 2622570, 3059665, 3671598, 6119330, 9178995, 18357990]

約数ペア:

[(1, 18357990), (2, 9178995), (3, 6119330), (5, 3671598), (6, 3059665), (7, 2622570), (10, 1835799), (14, 1311285), (15, 1223866), (19, 966210), (21, 874190), (30, 611933), (35, 524514), (38, 483105), (42, 437095), (43, 426930), (57, 322070), (70, 262257), (86, 213465), (95, 193242), (105, 174838), (107, 171570), (114, 161035), (129, 142310), (133, 138030), (190, 96621), (210, 87419), (214, 85785), (215, 85386), (258, 71155), (266, 69015), (285, 64414), (301, 60990), (321, 57190), (399, 46010), (430, 42693), (535, 34314), (570, 32207), (602, 30495), (642, 28595), (645, 28462), (665, 27606), (749, 24510), (798, 23005), (817, 22470), (903, 20330), (1070, 17157), (1290, 14231), (1330, 13803), (1498, 12255), (1505, 12198), (1605, 11438), (1634, 11235), (1806, 10165), (1995, 9202), (2033, 9030), (2247, 8170), (2451, 7490), (3010, 6099), (3210, 5719), (3745, 4902), (3990, 4601), (4066, 4515), (4085, 4494)]