18537868118

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{12491}}^1$

素因数の和:12953

約数の個数: 64

約数和(自身を含む): 36264775680

約数和(自身を除く): 17726907562

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 419, 506, 838, 1771, 2933, 3542, 4609, 5866, 9218, 9637, 12491, 19274, 24982, 32263, 64526, 67459, 87437, 106007, 134918, 137401, 174874, 212014, 274802, 287293, 574586, 742049, 961807, 1484098, 1923614, 2011051, 3160223, 4022102, 5233729, 6320446, 10467458, 22121561, 36636103, 44243122, 57571019, 73272206, 115142038, 120375767, 240751534, 402997133, 805994266, 842630369, 1324133437, 1685260738, 2648266874, 9268934059, 18537868118]

約数ペア:

[(1, 18537868118), (2, 9268934059), (7, 2648266874), (11, 1685260738), (14, 1324133437), (22, 842630369), (23, 805994266), (46, 402997133), (77, 240751534), (154, 120375767), (161, 115142038), (253, 73272206), (322, 57571019), (419, 44243122), (506, 36636103), (838, 22121561), (1771, 10467458), (2933, 6320446), (3542, 5233729), (4609, 4022102), (5866, 3160223), (9218, 2011051), (9637, 1923614), (12491, 1484098), (19274, 961807), (24982, 742049), (32263, 574586), (64526, 287293), (67459, 274802), (87437, 212014), (106007, 174874), (134918, 137401)]