19866370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{853}}^1$

素因数の和:1014

約数の個数: 32

約数和(自身を含む): 38184048

約数和(自身を除く): 18317678

約数列:

[1, 2, 5, 10, 17, 34, 85, 137, 170, 274, 685, 853, 1370, 1706, 2329, 4265, 4658, 8530, 11645, 14501, 23290, 29002, 72505, 116861, 145010, 233722, 584305, 1168610, 1986637, 3973274, 9933185, 19866370]

約数ペア:

[(1, 19866370), (2, 9933185), (5, 3973274), (10, 1986637), (17, 1168610), (34, 584305), (85, 233722), (137, 145010), (170, 116861), (274, 72505), (685, 29002), (853, 23290), (1370, 14501), (1706, 11645), (2329, 8530), (4265, 4658)]