19721544

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 52824000

約数和(自身を除く): 33102456

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 61, 76, 114, 122, 152, 183, 228, 244, 366, 456, 488, 709, 732, 1159, 1418, 1464, 2127, 2318, 2836, 3477, 4254, 4636, 5672, 6954, 8508, 9272, 13471, 13908, 17016, 26942, 27816, 40413, 43249, 53884, 80826, 86498, 107768, 129747, 161652, 172996, 259494, 323304, 345992, 518988, 821731, 1037976, 1643462, 2465193, 3286924, 4930386, 6573848, 9860772, 19721544]

約数ペア:

[(1, 19721544), (2, 9860772), (3, 6573848), (4, 4930386), (6, 3286924), (8, 2465193), (12, 1643462), (19, 1037976), (24, 821731), (38, 518988), (57, 345992), (61, 323304), (76, 259494), (114, 172996), (122, 161652), (152, 129747), (183, 107768), (228, 86498), (244, 80826), (366, 53884), (456, 43249), (488, 40413), (709, 27816), (732, 26942), (1159, 17016), (1418, 13908), (1464, 13471), (2127, 9272), (2318, 8508), (2836, 6954), (3477, 5672), (4254, 4636)]