19779612992

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{1301}}^1$

素因数の和:1520

約数の個数: 112

約数和(自身を含む): 41484011520

約数和(自身を除く): 21704398528

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 97, 124, 158, 194, 248, 316, 388, 496, 632, 776, 992, 1264, 1301, 1552, 1984, 2449, 2528, 2602, 3007, 3104, 4898, 5056, 5204, 6014, 6208, 7663, 9796, 10408, 12028, 15326, 19592, 20816, 24056, 30652, 39184, 40331, 41632, 48112, 61304, 78368, 80662, 83264, 96224, 102779, 122608, 126197, 156736, 161324, 192448, 205558, 237553, 245216, 252394, 322648, 411116, 475106, 490432, 504788, 645296, 822232, 950212, 1009576, 1290592, 1644464, 1900424, 2019152, 2581184, 3186149, 3288928, 3800848, 3912107, 4038304, 6372298, 6577856, 7601696, 7824214, 8076608, 9969563, 12744596, 15203392, 15648428, 19939126, 25489192, 31296856, 39878252, 50978384, 62593712, 79756504, 101956768, 125187424, 159513008, 203913536, 250374848, 309056453, 319026016, 618112906, 638052032, 1236225812, 2472451624, 4944903248, 9889806496, 19779612992]

約数ペア:

[(1, 19779612992), (2, 9889806496), (4, 4944903248), (8, 2472451624), (16, 1236225812), (31, 638052032), (32, 618112906), (62, 319026016), (64, 309056453), (79, 250374848), (97, 203913536), (124, 159513008), (158, 125187424), (194, 101956768), (248, 79756504), (316, 62593712), (388, 50978384), (496, 39878252), (632, 31296856), (776, 25489192), (992, 19939126), (1264, 15648428), (1301, 15203392), (1552, 12744596), (1984, 9969563), (2449, 8076608), (2528, 7824214), (2602, 7601696), (3007, 6577856), (3104, 6372298), (4898, 4038304), (5056, 3912107), (5204, 3800848), (6014, 3288928), (6208, 3186149), (7663, 2581184), (9796, 2019152), (10408, 1900424), (12028, 1644464), (15326, 1290592), (19592, 1009576), (20816, 950212), (24056, 822232), (30652, 645296), (39184, 504788), (40331, 490432), (41632, 475106), (48112, 411116), (61304, 322648), (78368, 252394), (80662, 245216), (83264, 237553), (96224, 205558), (102779, 192448), (122608, 161324), (126197, 156736)]