19471810

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 36037872

約数和(自身を除く): 16566062

約数列:

[1, 2, 5, 10, 61, 122, 137, 233, 274, 305, 466, 610, 685, 1165, 1370, 2330, 8357, 14213, 16714, 28426, 31921, 41785, 63842, 71065, 83570, 142130, 159605, 319210, 1947181, 3894362, 9735905, 19471810]

約数ペア:

[(1, 19471810), (2, 9735905), (5, 3894362), (10, 1947181), (61, 319210), (122, 159605), (137, 142130), (233, 83570), (274, 71065), (305, 63842), (466, 41785), (610, 31921), (685, 28426), (1165, 16714), (1370, 14213), (2330, 8357)]