19489668

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{409}}^1$

素因数の和:465

約数の個数: 72

約数和(自身を含む): 52486560

約数和(自身を除く): 32996892

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 132, 209, 228, 361, 409, 418, 627, 722, 818, 836, 1083, 1227, 1254, 1444, 1636, 2166, 2454, 2508, 3971, 4332, 4499, 4908, 7771, 7942, 8998, 11913, 13497, 15542, 15884, 17996, 23313, 23826, 26994, 31084, 46626, 47652, 53988, 85481, 93252, 147649, 170962, 256443, 295298, 341924, 442947, 512886, 590596, 885894, 1025772, 1624139, 1771788, 3248278, 4872417, 6496556, 9744834, 19489668]

約数ペア:

[(1, 19489668), (2, 9744834), (3, 6496556), (4, 4872417), (6, 3248278), (11, 1771788), (12, 1624139), (19, 1025772), (22, 885894), (33, 590596), (38, 512886), (44, 442947), (57, 341924), (66, 295298), (76, 256443), (114, 170962), (132, 147649), (209, 93252), (228, 85481), (361, 53988), (409, 47652), (418, 46626), (627, 31084), (722, 26994), (818, 23826), (836, 23313), (1083, 17996), (1227, 15884), (1254, 15542), (1444, 13497), (1636, 11913), (2166, 8998), (2454, 7942), (2508, 7771), (3971, 4908), (4332, 4499)]