18089820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{293}}^1$

素因数の和:329

約数の個数: 144

約数和(自身を含む): 64209600

約数和(自身を除く): 46119780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 293, 294, 315, 343, 420, 441, 490, 586, 588, 630, 686, 735, 879, 882, 980, 1029, 1172, 1260, 1372, 1465, 1470, 1715, 1758, 1764, 2051, 2058, 2205, 2637, 2930, 2940, 3087, 3430, 3516, 4102, 4116, 4395, 4410, 5145, 5274, 5860, 6153, 6174, 6860, 8204, 8790, 8820, 10255, 10290, 10548, 12306, 12348, 13185, 14357, 15435, 17580, 18459, 20510, 20580, 24612, 26370, 28714, 30765, 30870, 36918, 41020, 43071, 52740, 57428, 61530, 61740, 71785, 73836, 86142, 92295, 100499, 123060, 129213, 143570, 172284, 184590, 200998, 215355, 258426, 287140, 301497, 369180, 401996, 430710, 502495, 516852, 602994, 646065, 861420, 904491, 1004990, 1205988, 1292130, 1507485, 1808982, 2009980, 2584260, 3014970, 3617964, 4522455, 6029940, 9044910, 18089820]

約数ペア:

[(1, 18089820), (2, 9044910), (3, 6029940), (4, 4522455), (5, 3617964), (6, 3014970), (7, 2584260), (9, 2009980), (10, 1808982), (12, 1507485), (14, 1292130), (15, 1205988), (18, 1004990), (20, 904491), (21, 861420), (28, 646065), (30, 602994), (35, 516852), (36, 502495), (42, 430710), (45, 401996), (49, 369180), (60, 301497), (63, 287140), (70, 258426), (84, 215355), (90, 200998), (98, 184590), (105, 172284), (126, 143570), (140, 129213), (147, 123060), (180, 100499), (196, 92295), (210, 86142), (245, 73836), (252, 71785), (293, 61740), (294, 61530), (315, 57428), (343, 52740), (420, 43071), (441, 41020), (490, 36918), (586, 30870), (588, 30765), (630, 28714), (686, 26370), (735, 24612), (879, 20580), (882, 20510), (980, 18459), (1029, 17580), (1172, 15435), (1260, 14357), (1372, 13185), (1465, 12348), (1470, 12306), (1715, 10548), (1758, 10290), (1764, 10255), (2051, 8820), (2058, 8790), (2205, 8204), (2637, 6860), (2930, 6174), (2940, 6153), (3087, 5860), (3430, 5274), (3516, 5145), (4102, 4410), (4116, 4395)]