18771858

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{937}}^1$

素因数の和:1008

約数の個数: 64

約数和(自身を含む): 48625920

約数和(自身を除く): 29854062

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 53, 54, 63, 106, 126, 159, 189, 318, 371, 378, 477, 742, 937, 954, 1113, 1431, 1874, 2226, 2811, 2862, 3339, 5622, 6559, 6678, 8433, 10017, 13118, 16866, 19677, 20034, 25299, 39354, 49661, 50598, 59031, 99322, 118062, 148983, 177093, 297966, 347627, 354186, 446949, 695254, 893898, 1042881, 1340847, 2085762, 2681694, 3128643, 6257286, 9385929, 18771858]

約数ペア:

[(1, 18771858), (2, 9385929), (3, 6257286), (6, 3128643), (7, 2681694), (9, 2085762), (14, 1340847), (18, 1042881), (21, 893898), (27, 695254), (42, 446949), (53, 354186), (54, 347627), (63, 297966), (106, 177093), (126, 148983), (159, 118062), (189, 99322), (318, 59031), (371, 50598), (378, 49661), (477, 39354), (742, 25299), (937, 20034), (954, 19677), (1113, 16866), (1431, 13118), (1874, 10017), (2226, 8433), (2811, 6678), (2862, 6559), (3339, 5622)]