19958148

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2731}}^1$

素因数の和:2777

約数の個数: 72

約数和(自身を含む): 59666880

約数和(自身を除く): 39708732

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 2731, 3654, 5462, 7308, 8193, 10924, 16386, 19117, 24579, 32772, 38234, 49158, 57351, 76468, 79199, 98316, 114702, 158398, 172053, 229404, 237597, 316796, 344106, 475194, 554393, 688212, 712791, 950388, 1108786, 1425582, 1663179, 2217572, 2851164, 3326358, 4989537, 6652716, 9979074, 19958148]

約数ペア:

[(1, 19958148), (2, 9979074), (3, 6652716), (4, 4989537), (6, 3326358), (7, 2851164), (9, 2217572), (12, 1663179), (14, 1425582), (18, 1108786), (21, 950388), (28, 712791), (29, 688212), (36, 554393), (42, 475194), (58, 344106), (63, 316796), (84, 237597), (87, 229404), (116, 172053), (126, 158398), (174, 114702), (203, 98316), (252, 79199), (261, 76468), (348, 57351), (406, 49158), (522, 38234), (609, 32772), (812, 24579), (1044, 19117), (1218, 16386), (1827, 10924), (2436, 8193), (2731, 7308), (3654, 5462)]