19156987393690

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1\times {\mathrm{3581}}^1\times {\mathrm{20521}}^1$

素因数の和:24439

約数の個数: 64

約数和(自身を含む): 34931858860800

約数和(自身を除く): 15774871467110

約数列:

[1, 2, 5, 10, 131, 199, 262, 398, 655, 995, 1310, 1990, 3581, 7162, 17905, 20521, 26069, 35810, 41042, 52138, 102605, 130345, 205210, 260690, 469111, 712619, 938222, 1425238, 2345555, 2688251, 3563095, 4083679, 4691110, 5376502, 7126190, 8167358, 13441255, 20418395, 26882510, 40836790, 73485701, 93353089, 146971402, 186706178, 367428505, 466765445, 534961949, 734857010, 933530890, 1069923898, 2674809745, 5349619490, 9626626831, 14623654499, 19253253662, 29247308998, 48133134155, 73118272495, 96266268310, 146236544990, 1915698739369, 3831397478738, 9578493696845, 19156987393690]

約数ペア:

[(1, 19156987393690), (2, 9578493696845), (5, 3831397478738), (10, 1915698739369), (131, 146236544990), (199, 96266268310), (262, 73118272495), (398, 48133134155), (655, 29247308998), (995, 19253253662), (1310, 14623654499), (1990, 9626626831), (3581, 5349619490), (7162, 2674809745), (17905, 1069923898), (20521, 933530890), (26069, 734857010), (35810, 534961949), (41042, 466765445), (52138, 367428505), (102605, 186706178), (130345, 146971402), (205210, 93353089), (260690, 73485701), (469111, 40836790), (712619, 26882510), (938222, 20418395), (1425238, 13441255), (2345555, 8167358), (2688251, 7126190), (3563095, 5376502), (4083679, 4691110)]