19278446

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:161

約数の個数: 48

約数和(自身を含む): 34186320

約数和(自身を除く): 14907874

約数列:

[1, 2, 11, 22, 29, 41, 58, 67, 82, 121, 134, 242, 319, 451, 638, 737, 902, 1189, 1474, 1943, 2378, 2747, 3509, 3886, 4961, 5494, 7018, 8107, 9922, 13079, 16214, 21373, 26158, 30217, 42746, 60434, 79663, 143869, 159326, 235103, 287738, 332387, 470206, 664774, 876293, 1752586, 9639223, 19278446]

約数ペア:

[(1, 19278446), (2, 9639223), (11, 1752586), (22, 876293), (29, 664774), (41, 470206), (58, 332387), (67, 287738), (82, 235103), (121, 159326), (134, 143869), (242, 79663), (319, 60434), (451, 42746), (638, 30217), (737, 26158), (902, 21373), (1189, 16214), (1474, 13079), (1943, 9922), (2378, 8107), (2747, 7018), (3509, 5494), (3886, 4961)]