18931698344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1063}}^1\times {\mathrm{9013}}^1$

素因数の和:10114

約数の個数: 64

約数和(自身を含む): 40281763200

約数和(自身を除く): 21350064856

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1063, 1976, 2126, 4252, 8504, 9013, 13819, 18026, 20197, 27638, 36052, 40394, 55276, 72104, 80788, 110552, 117169, 161576, 171247, 234338, 262561, 342494, 468676, 525122, 684988, 937352, 1050244, 1369976, 2100488, 2226211, 4452422, 8904844, 9580819, 17809688, 19161638, 38323276, 76646552, 124550647, 182035561, 249101294, 364071122, 498202588, 728142244, 996405176, 1456284488, 2366462293, 4732924586, 9465849172, 18931698344]

約数ペア:

[(1, 18931698344), (2, 9465849172), (4, 4732924586), (8, 2366462293), (13, 1456284488), (19, 996405176), (26, 728142244), (38, 498202588), (52, 364071122), (76, 249101294), (104, 182035561), (152, 124550647), (247, 76646552), (494, 38323276), (988, 19161638), (1063, 17809688), (1976, 9580819), (2126, 8904844), (4252, 4452422), (8504, 2226211), (9013, 2100488), (13819, 1369976), (18026, 1050244), (20197, 937352), (27638, 684988), (36052, 525122), (40394, 468676), (55276, 342494), (72104, 262561), (80788, 234338), (110552, 171247), (117169, 161576)]