18996870530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{367}}^1\times {\mathrm{3889}}^1$

素因数の和:4296

約数の個数: 64

約数和(自身を含む): 37723415040

約数和(自身を除く): 18726544510

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 367, 605, 734, 1210, 1331, 1835, 2662, 3670, 3889, 4037, 6655, 7778, 8074, 13310, 19445, 20185, 38890, 40370, 42779, 44407, 85558, 88814, 213895, 222035, 427790, 444070, 470569, 488477, 941138, 976954, 1427263, 2352845, 2442385, 2854526, 4705690, 4884770, 5176259, 7136315, 10352518, 14272630, 15699893, 25881295, 31399786, 51762590, 78499465, 156998930, 172698823, 345397646, 863494115, 1726988230, 1899687053, 3799374106, 9498435265, 18996870530]

約数ペア:

[(1, 18996870530), (2, 9498435265), (5, 3799374106), (10, 1899687053), (11, 1726988230), (22, 863494115), (55, 345397646), (110, 172698823), (121, 156998930), (242, 78499465), (367, 51762590), (605, 31399786), (734, 25881295), (1210, 15699893), (1331, 14272630), (1835, 10352518), (2662, 7136315), (3670, 5176259), (3889, 4884770), (4037, 4705690), (6655, 2854526), (7778, 2442385), (8074, 2352845), (13310, 1427263), (19445, 976954), (20185, 941138), (38890, 488477), (40370, 470569), (42779, 444070), (44407, 427790), (85558, 222035), (88814, 213895)]