19926972

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 59928960

約数和(自身を除く): 40001988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 76, 78, 81, 83, 108, 114, 117, 156, 162, 166, 171, 228, 234, 243, 247, 249, 324, 332, 342, 351, 468, 486, 494, 498, 513, 684, 702, 741, 747, 972, 988, 996, 1026, 1053, 1079, 1404, 1482, 1494, 1539, 1577, 2052, 2106, 2158, 2223, 2241, 2964, 2988, 3078, 3154, 3159, 3237, 4212, 4316, 4446, 4482, 4617, 4731, 6156, 6308, 6318, 6474, 6669, 6723, 8892, 8964, 9234, 9462, 9711, 12636, 12948, 13338, 13446, 14193, 18468, 18924, 19422, 20007, 20169, 20501, 26676, 26892, 28386, 29133, 38844, 40014, 40338, 41002, 42579, 56772, 58266, 60021, 61503, 80028, 80676, 82004, 85158, 87399, 116532, 120042, 123006, 127737, 170316, 174798, 184509, 240084, 246012, 255474, 262197, 349596, 369018, 383211, 510948, 524394, 553527, 738036, 766422, 1048788, 1107054, 1532844, 1660581, 2214108, 3321162, 4981743, 6642324, 9963486, 19926972]

約数ペア:

[(1, 19926972), (2, 9963486), (3, 6642324), (4, 4981743), (6, 3321162), (9, 2214108), (12, 1660581), (13, 1532844), (18, 1107054), (19, 1048788), (26, 766422), (27, 738036), (36, 553527), (38, 524394), (39, 510948), (52, 383211), (54, 369018), (57, 349596), (76, 262197), (78, 255474), (81, 246012), (83, 240084), (108, 184509), (114, 174798), (117, 170316), (156, 127737), (162, 123006), (166, 120042), (171, 116532), (228, 87399), (234, 85158), (243, 82004), (247, 80676), (249, 80028), (324, 61503), (332, 60021), (342, 58266), (351, 56772), (468, 42579), (486, 41002), (494, 40338), (498, 40014), (513, 38844), (684, 29133), (702, 28386), (741, 26892), (747, 26676), (972, 20501), (988, 20169), (996, 20007), (1026, 19422), (1053, 18924), (1079, 18468), (1404, 14193), (1482, 13446), (1494, 13338), (1539, 12948), (1577, 12636), (2052, 9711), (2106, 9462), (2158, 9234), (2223, 8964), (2241, 8892), (2964, 6723), (2988, 6669), (3078, 6474), (3154, 6318), (3159, 6308), (3237, 6156), (4212, 4731), (4316, 4617), (4446, 4482)]