18547729844

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{17497}}^1$

素因数の和:17673

約数の個数: 72

約数和(自身を含む): 39708981312

約数和(自身を除く): 21161251468

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 131, 238, 262, 289, 476, 524, 578, 917, 1156, 1834, 2023, 2227, 3668, 4046, 4454, 8092, 8908, 15589, 17497, 31178, 34994, 37859, 62356, 69988, 75718, 122479, 151436, 244958, 265013, 297449, 489916, 530026, 594898, 1060052, 1189796, 2082143, 2292107, 4164286, 4584214, 5056633, 8328572, 9168428, 10113266, 16044749, 20226532, 32089498, 35396431, 38965819, 64178996, 70792862, 77931638, 141585724, 155863276, 272760733, 545521466, 662418923, 1091042932, 1324837846, 2649675692, 4636932461, 9273864922, 18547729844]

約数ペア:

[(1, 18547729844), (2, 9273864922), (4, 4636932461), (7, 2649675692), (14, 1324837846), (17, 1091042932), (28, 662418923), (34, 545521466), (68, 272760733), (119, 155863276), (131, 141585724), (238, 77931638), (262, 70792862), (289, 64178996), (476, 38965819), (524, 35396431), (578, 32089498), (917, 20226532), (1156, 16044749), (1834, 10113266), (2023, 9168428), (2227, 8328572), (3668, 5056633), (4046, 4584214), (4454, 4164286), (8092, 2292107), (8908, 2082143), (15589, 1189796), (17497, 1060052), (31178, 594898), (34994, 530026), (37859, 489916), (62356, 297449), (69988, 265013), (75718, 244958), (122479, 151436)]