18458804

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 44593920

約数和(自身を除く): 26135116

約数列:

[1, 2, 4, 7, 13, 14, 17, 19, 26, 28, 34, 38, 52, 68, 76, 91, 119, 133, 157, 182, 221, 238, 247, 266, 314, 323, 364, 442, 476, 494, 532, 628, 646, 884, 988, 1099, 1292, 1547, 1729, 2041, 2198, 2261, 2669, 2983, 3094, 3458, 4082, 4199, 4396, 4522, 5338, 5966, 6188, 6916, 8164, 8398, 9044, 10676, 11932, 14287, 16796, 18683, 20881, 28574, 29393, 34697, 37366, 38779, 41762, 50711, 57148, 58786, 69394, 74732, 77558, 83524, 101422, 117572, 138788, 155116, 202844, 242879, 271453, 354977, 485758, 542906, 659243, 709954, 971516, 1085812, 1318486, 1419908, 2636972, 4614701, 9229402, 18458804]

約数ペア:

[(1, 18458804), (2, 9229402), (4, 4614701), (7, 2636972), (13, 1419908), (14, 1318486), (17, 1085812), (19, 971516), (26, 709954), (28, 659243), (34, 542906), (38, 485758), (52, 354977), (68, 271453), (76, 242879), (91, 202844), (119, 155116), (133, 138788), (157, 117572), (182, 101422), (221, 83524), (238, 77558), (247, 74732), (266, 69394), (314, 58786), (323, 57148), (364, 50711), (442, 41762), (476, 38779), (494, 37366), (532, 34697), (628, 29393), (646, 28574), (884, 20881), (988, 18683), (1099, 16796), (1292, 14287), (1547, 11932), (1729, 10676), (2041, 9044), (2198, 8398), (2261, 8164), (2669, 6916), (2983, 6188), (3094, 5966), (3458, 5338), (4082, 4522), (4199, 4396)]