18961728

素因数分解:

$2^6\times 3^1\times {\mathrm{61}}^1\times {\mathrm{1619}}^1$

素因数の和:1695

約数の個数: 56

約数和(自身を含む): 51023520

約数和(自身を除く): 32061792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 183, 192, 244, 366, 488, 732, 976, 1464, 1619, 1952, 2928, 3238, 3904, 4857, 5856, 6476, 9714, 11712, 12952, 19428, 25904, 38856, 51808, 77712, 98759, 103616, 155424, 197518, 296277, 310848, 395036, 592554, 790072, 1185108, 1580144, 2370216, 3160288, 4740432, 6320576, 9480864, 18961728]

約数ペア:

[(1, 18961728), (2, 9480864), (3, 6320576), (4, 4740432), (6, 3160288), (8, 2370216), (12, 1580144), (16, 1185108), (24, 790072), (32, 592554), (48, 395036), (61, 310848), (64, 296277), (96, 197518), (122, 155424), (183, 103616), (192, 98759), (244, 77712), (366, 51808), (488, 38856), (732, 25904), (976, 19428), (1464, 12952), (1619, 11712), (1952, 9714), (2928, 6476), (3238, 5856), (3904, 4857)]