19005221599

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1\times {\mathrm{863}}^1$

素因数の和:1220

約数の個数: 64

約数和(自身を含む): 25268060160

約数和(自身を除く): 6262838561

約数列:

[1, 7, 13, 19, 47, 91, 133, 247, 271, 329, 611, 863, 893, 1729, 1897, 3523, 4277, 5149, 6041, 6251, 11219, 11609, 12737, 16397, 24661, 36043, 40561, 66937, 78533, 81263, 89159, 114779, 165581, 213161, 233873, 242003, 283927, 468559, 527293, 770659, 1159067, 1492127, 1637111, 1694021, 3040349, 3146039, 3691051, 4443587, 5394613, 10018567, 10992031, 21282443, 22022273, 31105109, 57766631, 70129969, 76944217, 142896403, 208848589, 404366417, 1000274821, 1461940123, 2715031657, 19005221599]

約数ペア:

[(1, 19005221599), (7, 2715031657), (13, 1461940123), (19, 1000274821), (47, 404366417), (91, 208848589), (133, 142896403), (247, 76944217), (271, 70129969), (329, 57766631), (611, 31105109), (863, 22022273), (893, 21282443), (1729, 10992031), (1897, 10018567), (3523, 5394613), (4277, 4443587), (5149, 3691051), (6041, 3146039), (6251, 3040349), (11219, 1694021), (11609, 1637111), (12737, 1492127), (16397, 1159067), (24661, 770659), (36043, 527293), (40561, 468559), (66937, 283927), (78533, 242003), (81263, 233873), (89159, 213161), (114779, 165581)]