193982020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{809}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 430012800

約数和(自身を除く): 236030780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 631, 809, 1262, 1618, 2524, 3155, 3236, 4045, 6310, 8090, 11989, 12620, 15371, 16180, 23978, 30742, 47956, 59945, 61484, 76855, 119890, 153710, 239780, 307420, 510479, 1020958, 2041916, 2552395, 5104790, 9699101, 10209580, 19398202, 38796404, 48495505, 96991010, 193982020]

約数ペア:

[(1, 193982020), (2, 96991010), (4, 48495505), (5, 38796404), (10, 19398202), (19, 10209580), (20, 9699101), (38, 5104790), (76, 2552395), (95, 2041916), (190, 1020958), (380, 510479), (631, 307420), (809, 239780), (1262, 153710), (1618, 119890), (2524, 76855), (3155, 61484), (3236, 59945), (4045, 47956), (6310, 30742), (8090, 23978), (11989, 16180), (12620, 15371)]