19184981439

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{251}}^1\times {\mathrm{331}}^1$

素因数の和:820

約数の個数: 64

約数和(自身を含む): 28785770496

約数和(自身を除く): 9600789057

約数列:

[1, 3, 13, 31, 39, 93, 191, 251, 331, 403, 573, 753, 993, 1209, 2483, 3263, 4303, 5921, 7449, 7781, 9789, 10261, 12909, 17763, 23343, 30783, 47941, 63221, 76973, 83081, 101153, 133393, 143823, 189663, 230919, 249243, 303459, 400179, 623233, 821873, 1080053, 1486171, 1869699, 1959851, 2465619, 2575511, 3240159, 4458513, 5879553, 7726533, 15868471, 19320223, 25478063, 33481643, 47605413, 57960669, 76434189, 100444929, 206290123, 491922601, 618870369, 1475767803, 6394993813, 19184981439]

約数ペア:

[(1, 19184981439), (3, 6394993813), (13, 1475767803), (31, 618870369), (39, 491922601), (93, 206290123), (191, 100444929), (251, 76434189), (331, 57960669), (403, 47605413), (573, 33481643), (753, 25478063), (993, 19320223), (1209, 15868471), (2483, 7726533), (3263, 5879553), (4303, 4458513), (5921, 3240159), (7449, 2575511), (7781, 2465619), (9789, 1959851), (10261, 1869699), (12909, 1486171), (17763, 1080053), (23343, 821873), (30783, 623233), (47941, 400179), (63221, 303459), (76973, 249243), (83081, 230919), (101153, 189663), (133393, 143823)]