18416510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 40711680

約数和(自身を除く): 22295170

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 61, 70, 95, 122, 133, 190, 227, 266, 305, 427, 454, 610, 665, 854, 1135, 1159, 1330, 1589, 2135, 2270, 2318, 3178, 4270, 4313, 5795, 7945, 8113, 8626, 11590, 13847, 15890, 16226, 21565, 27694, 30191, 40565, 43130, 60382, 69235, 81130, 96929, 138470, 150955, 193858, 263093, 301910, 484645, 526186, 969290, 1315465, 1841651, 2630930, 3683302, 9208255, 18416510]

約数ペア:

[(1, 18416510), (2, 9208255), (5, 3683302), (7, 2630930), (10, 1841651), (14, 1315465), (19, 969290), (35, 526186), (38, 484645), (61, 301910), (70, 263093), (95, 193858), (122, 150955), (133, 138470), (190, 96929), (227, 81130), (266, 69235), (305, 60382), (427, 43130), (454, 40565), (610, 30191), (665, 27694), (854, 21565), (1135, 16226), (1159, 15890), (1330, 13847), (1589, 11590), (2135, 8626), (2270, 8113), (2318, 7945), (3178, 5795), (4270, 4313)]