18790772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2$

素因数の和:86

約数の個数: 108

約数和(自身を含む): 46853856

約数和(自身を除く): 28063084

約数列:

[1, 2, 4, 7, 11, 13, 14, 19, 22, 26, 28, 38, 44, 52, 76, 77, 91, 133, 143, 154, 169, 182, 209, 247, 266, 286, 308, 338, 361, 364, 418, 494, 532, 572, 676, 722, 836, 988, 1001, 1183, 1444, 1463, 1729, 1859, 2002, 2366, 2527, 2717, 2926, 3211, 3458, 3718, 3971, 4004, 4693, 4732, 5054, 5434, 5852, 6422, 6916, 7436, 7942, 9386, 10108, 10868, 12844, 13013, 15884, 18772, 19019, 22477, 26026, 27797, 32851, 35321, 38038, 44954, 51623, 52052, 55594, 61009, 65702, 70642, 76076, 89908, 103246, 111188, 122018, 131404, 141284, 206492, 244036, 247247, 361361, 427063, 494494, 671099, 722722, 854126, 988988, 1342198, 1445444, 1708252, 2684396, 4697693, 9395386, 18790772]

約数ペア:

[(1, 18790772), (2, 9395386), (4, 4697693), (7, 2684396), (11, 1708252), (13, 1445444), (14, 1342198), (19, 988988), (22, 854126), (26, 722722), (28, 671099), (38, 494494), (44, 427063), (52, 361361), (76, 247247), (77, 244036), (91, 206492), (133, 141284), (143, 131404), (154, 122018), (169, 111188), (182, 103246), (209, 89908), (247, 76076), (266, 70642), (286, 65702), (308, 61009), (338, 55594), (361, 52052), (364, 51623), (418, 44954), (494, 38038), (532, 35321), (572, 32851), (676, 27797), (722, 26026), (836, 22477), (988, 19019), (1001, 18772), (1183, 15884), (1444, 13013), (1463, 12844), (1729, 10868), (1859, 10108), (2002, 9386), (2366, 7942), (2527, 7436), (2717, 6916), (2926, 6422), (3211, 5852), (3458, 5434), (3718, 5054), (3971, 4732), (4004, 4693)]