18376372

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 40075560

約数和(自身を除く): 21699188

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 53, 58, 61, 98, 106, 116, 122, 196, 203, 212, 244, 371, 406, 427, 742, 812, 854, 1421, 1484, 1537, 1708, 1769, 2597, 2842, 2989, 3074, 3233, 3538, 5194, 5684, 5978, 6148, 6466, 7076, 10388, 10759, 11956, 12383, 12932, 21518, 22631, 24766, 43036, 45262, 49532, 75313, 86681, 90524, 93757, 150626, 158417, 173362, 187514, 301252, 316834, 346724, 375028, 633668, 656299, 1312598, 2625196, 4594093, 9188186, 18376372]

約数ペア:

[(1, 18376372), (2, 9188186), (4, 4594093), (7, 2625196), (14, 1312598), (28, 656299), (29, 633668), (49, 375028), (53, 346724), (58, 316834), (61, 301252), (98, 187514), (106, 173362), (116, 158417), (122, 150626), (196, 93757), (203, 90524), (212, 86681), (244, 75313), (371, 49532), (406, 45262), (427, 43036), (742, 24766), (812, 22631), (854, 21518), (1421, 12932), (1484, 12383), (1537, 11956), (1708, 10759), (1769, 10388), (2597, 7076), (2842, 6466), (2989, 6148), (3074, 5978), (3233, 5684), (3538, 5194)]