18965394

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 29695086

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 131, 189, 262, 378, 383, 393, 766, 786, 917, 1149, 1179, 1834, 2298, 2358, 2681, 2751, 3447, 3537, 5362, 5502, 6894, 7074, 8043, 8253, 10341, 16086, 16506, 20682, 24129, 24759, 48258, 49518, 50173, 72387, 100346, 144774, 150519, 301038, 351211, 451557, 702422, 903114, 1053633, 1354671, 2107266, 2709342, 3160899, 6321798, 9482697, 18965394]

約数ペア:

[(1, 18965394), (2, 9482697), (3, 6321798), (6, 3160899), (7, 2709342), (9, 2107266), (14, 1354671), (18, 1053633), (21, 903114), (27, 702422), (42, 451557), (54, 351211), (63, 301038), (126, 150519), (131, 144774), (189, 100346), (262, 72387), (378, 50173), (383, 49518), (393, 48258), (766, 24759), (786, 24129), (917, 20682), (1149, 16506), (1179, 16086), (1834, 10341), (2298, 8253), (2358, 8043), (2681, 7074), (2751, 6894), (3447, 5502), (3537, 5362)]