1818805960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{63773}}^1$

素因数の和:63838

約数の個数: 64

約数和(自身を含む): 4408058880

約数和(自身を除く): 2589252920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2852, 3565, 5704, 7130, 14260, 28520, 63773, 127546, 255092, 318865, 510184, 637730, 1275460, 1466779, 1976963, 2550920, 2933558, 3953926, 5867116, 7333895, 7907852, 9884815, 11734232, 14667790, 15815704, 19769630, 29335580, 39539260, 45470149, 58671160, 79078520, 90940298, 181880596, 227350745, 363761192, 454701490, 909402980, 1818805960]

約数ペア:

[(1, 1818805960), (2, 909402980), (4, 454701490), (5, 363761192), (8, 227350745), (10, 181880596), (20, 90940298), (23, 79078520), (31, 58671160), (40, 45470149), (46, 39539260), (62, 29335580), (92, 19769630), (115, 15815704), (124, 14667790), (155, 11734232), (184, 9884815), (230, 7907852), (248, 7333895), (310, 5867116), (460, 3953926), (620, 2933558), (713, 2550920), (920, 1976963), (1240, 1466779), (1426, 1275460), (2852, 637730), (3565, 510184), (5704, 318865), (7130, 255092), (14260, 127546), (28520, 63773)]