19344470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 39890880

約数和(自身を除く): 20546410

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 53, 85, 95, 106, 113, 170, 190, 226, 265, 323, 530, 565, 646, 901, 1007, 1130, 1615, 1802, 1921, 2014, 2147, 3230, 3842, 4294, 4505, 5035, 5989, 9010, 9605, 10070, 10735, 11978, 17119, 19210, 21470, 29945, 34238, 36499, 59890, 72998, 85595, 101813, 113791, 171190, 182495, 203626, 227582, 364990, 509065, 568955, 1018130, 1137910, 1934447, 3868894, 9672235, 19344470]

約数ペア:

[(1, 19344470), (2, 9672235), (5, 3868894), (10, 1934447), (17, 1137910), (19, 1018130), (34, 568955), (38, 509065), (53, 364990), (85, 227582), (95, 203626), (106, 182495), (113, 171190), (170, 113791), (190, 101813), (226, 85595), (265, 72998), (323, 59890), (530, 36499), (565, 34238), (646, 29945), (901, 21470), (1007, 19210), (1130, 17119), (1615, 11978), (1802, 10735), (1921, 10070), (2014, 9605), (2147, 9010), (3230, 5989), (3842, 5035), (4294, 4505)]