18990036

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{40577}}^1$

素因数の和:40600

約数の個数: 36

約数和(自身を含む): 51696372

約数和(自身を除く): 32706336

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 40577, 81154, 121731, 162308, 243462, 365193, 486924, 527501, 730386, 1055002, 1460772, 1582503, 2110004, 3165006, 4747509, 6330012, 9495018, 18990036]

約数ペア:

[(1, 18990036), (2, 9495018), (3, 6330012), (4, 4747509), (6, 3165006), (9, 2110004), (12, 1582503), (13, 1460772), (18, 1055002), (26, 730386), (36, 527501), (39, 486924), (52, 365193), (78, 243462), (117, 162308), (156, 121731), (234, 81154), (468, 40577)]