17945356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{229}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 37326240

約数和(自身を除く): 19380884

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 137, 143, 229, 274, 286, 458, 548, 572, 916, 1507, 1781, 2519, 2977, 3014, 3562, 5038, 5954, 6028, 7124, 10076, 11908, 19591, 31373, 32747, 39182, 62746, 65494, 78364, 125492, 130988, 345103, 407849, 690206, 815698, 1380412, 1631396, 4486339, 8972678, 17945356]

約数ペア:

[(1, 17945356), (2, 8972678), (4, 4486339), (11, 1631396), (13, 1380412), (22, 815698), (26, 690206), (44, 407849), (52, 345103), (137, 130988), (143, 125492), (229, 78364), (274, 65494), (286, 62746), (458, 39182), (548, 32747), (572, 31373), (916, 19591), (1507, 11908), (1781, 10076), (2519, 7124), (2977, 6028), (3014, 5954), (3562, 5038)]