19891326

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2143}}^1$

素因数の和:2185

約数の個数: 64

約数和(自身を含む): 51867648

約数和(自身を除く): 31976322

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 21, 26, 34, 39, 42, 51, 78, 91, 102, 119, 182, 221, 238, 273, 357, 442, 546, 663, 714, 1326, 1547, 2143, 3094, 4286, 4641, 6429, 9282, 12858, 15001, 27859, 30002, 36431, 45003, 55718, 72862, 83577, 90006, 109293, 167154, 195013, 218586, 255017, 390026, 473603, 510034, 585039, 765051, 947206, 1170078, 1420809, 1530102, 2841618, 3315221, 6630442, 9945663, 19891326]

約数ペア:

[(1, 19891326), (2, 9945663), (3, 6630442), (6, 3315221), (7, 2841618), (13, 1530102), (14, 1420809), (17, 1170078), (21, 947206), (26, 765051), (34, 585039), (39, 510034), (42, 473603), (51, 390026), (78, 255017), (91, 218586), (102, 195013), (119, 167154), (182, 109293), (221, 90006), (238, 83577), (273, 72862), (357, 55718), (442, 45003), (546, 36431), (663, 30002), (714, 27859), (1326, 15001), (1547, 12858), (2143, 9282), (3094, 6429), (4286, 4641)]