19725047418

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{503}}^1\times {\mathrm{971}}^1$

素因数の和:1659

約数の個数: 64

約数和(自身を含む): 40633270272

約数和(自身を除く): 20908222854

約数列:

[1, 2, 3, 6, 53, 106, 127, 159, 254, 318, 381, 503, 762, 971, 1006, 1509, 1942, 2913, 3018, 5826, 6731, 13462, 20193, 26659, 40386, 51463, 53318, 63881, 79977, 102926, 123317, 127762, 154389, 159954, 191643, 246634, 308778, 369951, 383286, 488413, 739902, 976826, 1465239, 2930478, 3385693, 6535801, 6771386, 10157079, 13071602, 19607403, 20314158, 25885889, 39214806, 51771778, 62028451, 77657667, 124056902, 155315334, 186085353, 372170706, 3287507903, 6575015806, 9862523709, 19725047418]

約数ペア:

[(1, 19725047418), (2, 9862523709), (3, 6575015806), (6, 3287507903), (53, 372170706), (106, 186085353), (127, 155315334), (159, 124056902), (254, 77657667), (318, 62028451), (381, 51771778), (503, 39214806), (762, 25885889), (971, 20314158), (1006, 19607403), (1509, 13071602), (1942, 10157079), (2913, 6771386), (3018, 6535801), (5826, 3385693), (6731, 2930478), (13462, 1465239), (20193, 976826), (26659, 739902), (40386, 488413), (51463, 383286), (53318, 369951), (63881, 308778), (79977, 246634), (102926, 191643), (123317, 159954), (127762, 154389)]