19531715

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1277}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 29445120

約数和(自身を除く): 9913405

約数列:

[1, 5, 7, 19, 23, 35, 95, 115, 133, 161, 437, 665, 805, 1277, 2185, 3059, 6385, 8939, 15295, 24263, 29371, 44695, 121315, 146855, 169841, 205597, 558049, 849205, 1027985, 2790245, 3906343, 19531715]

約数ペア:

[(1, 19531715), (5, 3906343), (7, 2790245), (19, 1027985), (23, 849205), (35, 558049), (95, 205597), (115, 169841), (133, 146855), (161, 121315), (437, 44695), (665, 29371), (805, 24263), (1277, 15295), (2185, 8939), (3059, 6385)]