2018804940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{361793}}^1$

素因数の和:361839

約数の個数: 72

約数和(自身を含む): 6321264768

約数和(自身を除く): 4302459828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 361793, 723586, 1085379, 1447172, 1808965, 2170758, 3256137, 3617930, 4341516, 5426895, 6512274, 7235860, 10853790, 11215583, 13024548, 16280685, 21707580, 22431166, 32561370, 33646749, 44862332, 56077915, 65122740, 67293498, 100940247, 112155830, 134586996, 168233745, 201880494, 224311660, 336467490, 403760988, 504701235, 672934980, 1009402470, 2018804940]

約数ペア:

[(1, 2018804940), (2, 1009402470), (3, 672934980), (4, 504701235), (5, 403760988), (6, 336467490), (9, 224311660), (10, 201880494), (12, 168233745), (15, 134586996), (18, 112155830), (20, 100940247), (30, 67293498), (31, 65122740), (36, 56077915), (45, 44862332), (60, 33646749), (62, 32561370), (90, 22431166), (93, 21707580), (124, 16280685), (155, 13024548), (180, 11215583), (186, 10853790), (279, 7235860), (310, 6512274), (372, 5426895), (465, 4341516), (558, 3617930), (620, 3256137), (930, 2170758), (1116, 1808965), (1395, 1447172), (1860, 1085379), (2790, 723586), (5580, 361793)]