19893855015

素因数分解:

$3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2780413}}^1$

素因数の和:2780480

約数の個数: 32

約数和(自身を含む): 36034165440

約数和(自身を除く): 16140310425

約数列:

[1, 3, 5, 9, 15, 27, 45, 53, 135, 159, 265, 477, 795, 1431, 2385, 7155, 2780413, 8341239, 13902065, 25023717, 41706195, 75071151, 125118585, 147361889, 375355755, 442085667, 736809445, 1326257001, 2210428335, 3978771003, 6631285005, 19893855015]

約数ペア:

[(1, 19893855015), (3, 6631285005), (5, 3978771003), (9, 2210428335), (15, 1326257001), (27, 736809445), (45, 442085667), (53, 375355755), (135, 147361889), (159, 125118585), (265, 75071151), (477, 41706195), (795, 25023717), (1431, 13902065), (2385, 8341239), (7155, 2780413)]