18971662788

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{140269}}^1$

素因数の和:140326

約数の個数: 108

約数和(自身を含む): 54862121860

約数和(自身を除く): 35890459072

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 34, 36, 39, 51, 52, 68, 78, 102, 117, 153, 156, 204, 221, 234, 289, 306, 442, 468, 578, 612, 663, 867, 884, 1156, 1326, 1734, 1989, 2601, 2652, 3468, 3757, 3978, 5202, 7514, 7956, 10404, 11271, 15028, 22542, 33813, 45084, 67626, 135252, 140269, 280538, 420807, 561076, 841614, 1262421, 1683228, 1823497, 2384573, 2524842, 3646994, 4769146, 5049684, 5470491, 7153719, 7293988, 9538292, 10940982, 14307438, 16411473, 21461157, 21881964, 28614876, 30999449, 32822946, 40537741, 42922314, 61998898, 65645892, 81075482, 85844628, 92998347, 121613223, 123997796, 162150964, 185996694, 243226446, 278995041, 364839669, 371993388, 486452892, 526990633, 557990082, 729679338, 1053981266, 1115980164, 1459358676, 1580971899, 2107962532, 3161943798, 4742915697, 6323887596, 9485831394, 18971662788]

約数ペア:

[(1, 18971662788), (2, 9485831394), (3, 6323887596), (4, 4742915697), (6, 3161943798), (9, 2107962532), (12, 1580971899), (13, 1459358676), (17, 1115980164), (18, 1053981266), (26, 729679338), (34, 557990082), (36, 526990633), (39, 486452892), (51, 371993388), (52, 364839669), (68, 278995041), (78, 243226446), (102, 185996694), (117, 162150964), (153, 123997796), (156, 121613223), (204, 92998347), (221, 85844628), (234, 81075482), (289, 65645892), (306, 61998898), (442, 42922314), (468, 40537741), (578, 32822946), (612, 30999449), (663, 28614876), (867, 21881964), (884, 21461157), (1156, 16411473), (1326, 14307438), (1734, 10940982), (1989, 9538292), (2601, 7293988), (2652, 7153719), (3468, 5470491), (3757, 5049684), (3978, 4769146), (5202, 3646994), (7514, 2524842), (7956, 2384573), (10404, 1823497), (11271, 1683228), (15028, 1262421), (22542, 841614), (33813, 561076), (45084, 420807), (67626, 280538), (135252, 140269)]