18944940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1111

約数の個数: 96

約数和(自身を含む): 62092800

約数和(自身を除く): 43147860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 60, 70, 84, 86, 105, 129, 140, 172, 210, 215, 258, 301, 420, 430, 516, 602, 645, 860, 903, 1049, 1204, 1290, 1505, 1806, 2098, 2580, 3010, 3147, 3612, 4196, 4515, 5245, 6020, 6294, 7343, 9030, 10490, 12588, 14686, 15735, 18060, 20980, 22029, 29372, 31470, 36715, 44058, 45107, 62940, 73430, 88116, 90214, 110145, 135321, 146860, 180428, 220290, 225535, 270642, 315749, 440580, 451070, 541284, 631498, 676605, 902140, 947247, 1262996, 1353210, 1578745, 1894494, 2706420, 3157490, 3788988, 4736235, 6314980, 9472470, 18944940]

約数ペア:

[(1, 18944940), (2, 9472470), (3, 6314980), (4, 4736235), (5, 3788988), (6, 3157490), (7, 2706420), (10, 1894494), (12, 1578745), (14, 1353210), (15, 1262996), (20, 947247), (21, 902140), (28, 676605), (30, 631498), (35, 541284), (42, 451070), (43, 440580), (60, 315749), (70, 270642), (84, 225535), (86, 220290), (105, 180428), (129, 146860), (140, 135321), (172, 110145), (210, 90214), (215, 88116), (258, 73430), (301, 62940), (420, 45107), (430, 44058), (516, 36715), (602, 31470), (645, 29372), (860, 22029), (903, 20980), (1049, 18060), (1204, 15735), (1290, 14686), (1505, 12588), (1806, 10490), (2098, 9030), (2580, 7343), (3010, 6294), (3147, 6020), (3612, 5245), (4196, 4515)]