19711841240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5415341}}^1$

素因数の和:5415372

約数の個数: 64

約数和(自身を含む): 54586647360

約数和(自身を除く): 34874806120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 5415341, 10830682, 21661364, 27076705, 37907387, 43322728, 54153410, 70399433, 75814774, 108306820, 140798866, 151629548, 189536935, 216613640, 281597732, 303259096, 351997165, 379073870, 492796031, 563195464, 703994330, 758147740, 985592062, 1407988660, 1516295480, 1971184124, 2463980155, 2815977320, 3942368248, 4927960310, 9855920620, 19711841240]

約数ペア:

[(1, 19711841240), (2, 9855920620), (4, 4927960310), (5, 3942368248), (7, 2815977320), (8, 2463980155), (10, 1971184124), (13, 1516295480), (14, 1407988660), (20, 985592062), (26, 758147740), (28, 703994330), (35, 563195464), (40, 492796031), (52, 379073870), (56, 351997165), (65, 303259096), (70, 281597732), (91, 216613640), (104, 189536935), (130, 151629548), (140, 140798866), (182, 108306820), (260, 75814774), (280, 70399433), (364, 54153410), (455, 43322728), (520, 37907387), (728, 27076705), (910, 21661364), (1820, 10830682), (3640, 5415341)]