18784020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{6661}}^1$

素因数の和:6720

約数の個数: 48

約数和(自身を含む): 53722368

約数和(自身を除く): 34938348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 6661, 13322, 19983, 26644, 33305, 39966, 66610, 79932, 99915, 133220, 199830, 313067, 399660, 626134, 939201, 1252268, 1565335, 1878402, 3130670, 3756804, 4696005, 6261340, 9392010, 18784020]

約数ペア:

[(1, 18784020), (2, 9392010), (3, 6261340), (4, 4696005), (5, 3756804), (6, 3130670), (10, 1878402), (12, 1565335), (15, 1252268), (20, 939201), (30, 626134), (47, 399660), (60, 313067), (94, 199830), (141, 133220), (188, 99915), (235, 79932), (282, 66610), (470, 39966), (564, 33305), (705, 26644), (940, 19983), (1410, 13322), (2820, 6661)]