19151979040

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2919509}}^1$

素因数の和:2919565

約数の個数: 48

約数和(自身を含む): 46350140760

約数和(自身を除く): 27198161720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 2919509, 5839018, 11678036, 14597545, 23356072, 29195090, 46712144, 58390180, 93424288, 116780360, 119699869, 233560720, 239399738, 467121440, 478799476, 598499345, 957598952, 1196998690, 1915197904, 2393997380, 3830395808, 4787994760, 9575989520, 19151979040]

約数ペア:

[(1, 19151979040), (2, 9575989520), (4, 4787994760), (5, 3830395808), (8, 2393997380), (10, 1915197904), (16, 1196998690), (20, 957598952), (32, 598499345), (40, 478799476), (41, 467121440), (80, 239399738), (82, 233560720), (160, 119699869), (164, 116780360), (205, 93424288), (328, 58390180), (410, 46712144), (656, 29195090), (820, 23356072), (1312, 14597545), (1640, 11678036), (3280, 5839018), (6560, 2919509)]