19994268

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 56770560

約数和(自身を除く): 36776292

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 79, 84, 92, 131, 138, 158, 161, 237, 262, 276, 316, 322, 393, 474, 483, 524, 553, 644, 786, 917, 948, 966, 1106, 1572, 1659, 1817, 1834, 1932, 2212, 2751, 3013, 3318, 3634, 3668, 5451, 5502, 6026, 6636, 7268, 9039, 10349, 10902, 11004, 12052, 12719, 18078, 20698, 21091, 21804, 25438, 31047, 36156, 38157, 41396, 42182, 50876, 62094, 63273, 72443, 76314, 84364, 124188, 126546, 144886, 152628, 217329, 238027, 253092, 289772, 434658, 476054, 714081, 869316, 952108, 1428162, 1666189, 2856324, 3332378, 4998567, 6664756, 9997134, 19994268]

約数ペア:

[(1, 19994268), (2, 9997134), (3, 6664756), (4, 4998567), (6, 3332378), (7, 2856324), (12, 1666189), (14, 1428162), (21, 952108), (23, 869316), (28, 714081), (42, 476054), (46, 434658), (69, 289772), (79, 253092), (84, 238027), (92, 217329), (131, 152628), (138, 144886), (158, 126546), (161, 124188), (237, 84364), (262, 76314), (276, 72443), (316, 63273), (322, 62094), (393, 50876), (474, 42182), (483, 41396), (524, 38157), (553, 36156), (644, 31047), (786, 25438), (917, 21804), (948, 21091), (966, 20698), (1106, 18078), (1572, 12719), (1659, 12052), (1817, 11004), (1834, 10902), (1932, 10349), (2212, 9039), (2751, 7268), (3013, 6636), (3318, 6026), (3634, 5502), (3668, 5451)]