18203532

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 46934160

約数和(自身を除く): 28730628

約数列:

[1, 2, 3, 4, 6, 12, 17, 29, 34, 51, 58, 68, 87, 102, 116, 174, 181, 204, 289, 348, 362, 493, 543, 578, 724, 867, 986, 1086, 1156, 1479, 1734, 1972, 2172, 2958, 3077, 3468, 5249, 5916, 6154, 8381, 9231, 10498, 12308, 15747, 16762, 18462, 20996, 25143, 31494, 33524, 36924, 50286, 52309, 62988, 89233, 100572, 104618, 156927, 178466, 209236, 267699, 313854, 356932, 535398, 627708, 1070796, 1516961, 3033922, 4550883, 6067844, 9101766, 18203532]

約数ペア:

[(1, 18203532), (2, 9101766), (3, 6067844), (4, 4550883), (6, 3033922), (12, 1516961), (17, 1070796), (29, 627708), (34, 535398), (51, 356932), (58, 313854), (68, 267699), (87, 209236), (102, 178466), (116, 156927), (174, 104618), (181, 100572), (204, 89233), (289, 62988), (348, 52309), (362, 50286), (493, 36924), (543, 33524), (578, 31494), (724, 25143), (867, 20996), (986, 18462), (1086, 16762), (1156, 15747), (1479, 12308), (1734, 10498), (1972, 9231), (2172, 8381), (2958, 6154), (3077, 5916), (3468, 5249)]