1986992658

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{15913}}^1$

素因数の和:16919

約数の個数: 48

約数和(自身を含む): 4925446656

約数和(自身を除く): 2938453998

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 991, 1982, 2973, 5946, 6937, 8919, 13874, 15913, 17838, 20811, 31826, 41622, 47739, 62433, 95478, 111391, 124866, 143217, 222782, 286434, 334173, 668346, 1002519, 2005038, 15769783, 31539566, 47309349, 94618698, 110388481, 141928047, 220776962, 283856094, 331165443, 662330886, 993496329, 1986992658]

約数ペア:

[(1, 1986992658), (2, 993496329), (3, 662330886), (6, 331165443), (7, 283856094), (9, 220776962), (14, 141928047), (18, 110388481), (21, 94618698), (42, 47309349), (63, 31539566), (126, 15769783), (991, 2005038), (1982, 1002519), (2973, 668346), (5946, 334173), (6937, 286434), (8919, 222782), (13874, 143217), (15913, 124866), (17838, 111391), (20811, 95478), (31826, 62433), (41622, 47739)]