18954180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{307}}^1$

素因数の和:343

約数の個数: 144

約数和(自身を含む): 67267200

約数和(自身を除く): 48313020

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, 294, 307, 315, 343, 420, 441, 490, 588, 614, 630, 686, 735, 882, 921, 980, 1029, 1228, 1260, 1372, 1470, 1535, 1715, 1764, 1842, 2058, 2149, 2205, 2763, 2940, 3070, 3087, 3430, 3684, 4116, 4298, 4410, 4605, 5145, 5526, 6140, 6174, 6447, 6860, 8596, 8820, 9210, 10290, 10745, 11052, 12348, 12894, 13815, 15043, 15435, 18420, 19341, 20580, 21490, 25788, 27630, 30086, 30870, 32235, 38682, 42980, 45129, 55260, 60172, 61740, 64470, 75215, 77364, 90258, 96705, 105301, 128940, 135387, 150430, 180516, 193410, 210602, 225645, 270774, 300860, 315903, 386820, 421204, 451290, 526505, 541548, 631806, 676935, 902580, 947709, 1053010, 1263612, 1353870, 1579515, 1895418, 2106020, 2707740, 3159030, 3790836, 4738545, 6318060, 9477090, 18954180]

約数ペア:

[(1, 18954180), (2, 9477090), (3, 6318060), (4, 4738545), (5, 3790836), (6, 3159030), (7, 2707740), (9, 2106020), (10, 1895418), (12, 1579515), (14, 1353870), (15, 1263612), (18, 1053010), (20, 947709), (21, 902580), (28, 676935), (30, 631806), (35, 541548), (36, 526505), (42, 451290), (45, 421204), (49, 386820), (60, 315903), (63, 300860), (70, 270774), (84, 225645), (90, 210602), (98, 193410), (105, 180516), (126, 150430), (140, 135387), (147, 128940), (180, 105301), (196, 96705), (210, 90258), (245, 77364), (252, 75215), (294, 64470), (307, 61740), (315, 60172), (343, 55260), (420, 45129), (441, 42980), (490, 38682), (588, 32235), (614, 30870), (630, 30086), (686, 27630), (735, 25788), (882, 21490), (921, 20580), (980, 19341), (1029, 18420), (1228, 15435), (1260, 15043), (1372, 13815), (1470, 12894), (1535, 12348), (1715, 11052), (1764, 10745), (1842, 10290), (2058, 9210), (2149, 8820), (2205, 8596), (2763, 6860), (2940, 6447), (3070, 6174), (3087, 6140), (3430, 5526), (3684, 5145), (4116, 4605), (4298, 4410)]