18768372

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{541}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 51901920

約数和(自身を除く): 33133548

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 59, 84, 98, 118, 147, 177, 196, 236, 294, 354, 413, 541, 588, 708, 826, 1082, 1239, 1623, 1652, 2164, 2478, 2891, 3246, 3787, 4956, 5782, 6492, 7574, 8673, 11361, 11564, 15148, 17346, 22722, 26509, 31919, 34692, 45444, 53018, 63838, 79527, 95757, 106036, 127676, 159054, 191514, 223433, 318108, 383028, 446866, 670299, 893732, 1340598, 1564031, 2681196, 3128062, 4692093, 6256124, 9384186, 18768372]

約数ペア:

[(1, 18768372), (2, 9384186), (3, 6256124), (4, 4692093), (6, 3128062), (7, 2681196), (12, 1564031), (14, 1340598), (21, 893732), (28, 670299), (42, 446866), (49, 383028), (59, 318108), (84, 223433), (98, 191514), (118, 159054), (147, 127676), (177, 106036), (196, 95757), (236, 79527), (294, 63838), (354, 53018), (413, 45444), (541, 34692), (588, 31919), (708, 26509), (826, 22722), (1082, 17346), (1239, 15148), (1623, 11564), (1652, 11361), (2164, 8673), (2478, 7574), (2891, 6492), (3246, 5782), (3787, 4956)]