18394155

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 36126720

約数和(自身を除く): 17732565

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 47, 65, 117, 135, 141, 195, 223, 235, 351, 423, 585, 611, 669, 705, 1115, 1269, 1755, 1833, 2007, 2115, 2899, 3055, 3345, 5499, 6021, 6345, 8697, 9165, 10035, 10481, 14495, 16497, 26091, 27495, 30105, 31443, 43485, 52405, 78273, 82485, 94329, 130455, 136253, 157215, 282987, 391365, 408759, 471645, 681265, 1226277, 1414935, 2043795, 3678831, 6131385, 18394155]

約数ペア:

[(1, 18394155), (3, 6131385), (5, 3678831), (9, 2043795), (13, 1414935), (15, 1226277), (27, 681265), (39, 471645), (45, 408759), (47, 391365), (65, 282987), (117, 157215), (135, 136253), (141, 130455), (195, 94329), (223, 82485), (235, 78273), (351, 52405), (423, 43485), (585, 31443), (611, 30105), (669, 27495), (705, 26091), (1115, 16497), (1269, 14495), (1755, 10481), (1833, 10035), (2007, 9165), (2115, 8697), (2899, 6345), (3055, 6021), (3345, 5499)]