19327940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{2677}}^1$

素因数の和:2724

約数の個数: 36

約数和(自身を含む): 42853356

約数和(自身を除く): 23525416

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 2677, 3610, 5354, 7220, 10708, 13385, 26770, 50863, 53540, 101726, 203452, 254315, 508630, 966397, 1017260, 1932794, 3865588, 4831985, 9663970, 19327940]

約数ペア:

[(1, 19327940), (2, 9663970), (4, 4831985), (5, 3865588), (10, 1932794), (19, 1017260), (20, 966397), (38, 508630), (76, 254315), (95, 203452), (190, 101726), (361, 53540), (380, 50863), (722, 26770), (1444, 13385), (1805, 10708), (2677, 7220), (3610, 5354)]