19378926

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:787

約数の個数: 80

約数和(自身を含む): 51853824

約数和(自身を除く): 32474898

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 81, 126, 138, 161, 162, 189, 207, 322, 378, 414, 483, 567, 621, 743, 966, 1134, 1242, 1449, 1486, 1863, 2229, 2898, 3726, 4347, 4458, 5201, 6687, 8694, 10402, 13041, 13374, 15603, 17089, 20061, 26082, 31206, 34178, 40122, 46809, 51267, 60183, 93618, 102534, 119623, 120366, 140427, 153801, 239246, 280854, 307602, 358869, 421281, 461403, 717738, 842562, 922806, 1076607, 1384209, 2153214, 2768418, 3229821, 6459642, 9689463, 19378926]

約数ペア:

[(1, 19378926), (2, 9689463), (3, 6459642), (6, 3229821), (7, 2768418), (9, 2153214), (14, 1384209), (18, 1076607), (21, 922806), (23, 842562), (27, 717738), (42, 461403), (46, 421281), (54, 358869), (63, 307602), (69, 280854), (81, 239246), (126, 153801), (138, 140427), (161, 120366), (162, 119623), (189, 102534), (207, 93618), (322, 60183), (378, 51267), (414, 46809), (483, 40122), (567, 34178), (621, 31206), (743, 26082), (966, 20061), (1134, 17089), (1242, 15603), (1449, 13374), (1486, 13041), (1863, 10402), (2229, 8694), (2898, 6687), (3726, 5201), (4347, 4458)]